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A close up of cupcakes in golden foil cases on a wire rack
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Pumpkin Spice Cupcakes with Brown Butter Cream Cheese Frosting

Tender, spiced cupcakes full of pureed pumpkin and topped with dreamy cream cheese frosting spiked with brown butter.
Prep Time30 minutes
Cook Time40 minutes
Total Time1 hour 10 minutes
Course: Afternoon Tea, Dessert, Morning Tea
Cuisine: American, Western
Keyword: brown butter cream cheese frosting, pumpkin spice cupcakes
Servings: 18
Calories: 404kcal

Ingredients

For the cake

  • 1.5 lb pumpkin skin on, seeds removed, cut into 2.5cm (1 incchunks (any dense-fleshed pumpkin will work her(if you want to use canned pumpkin, a 15oz can is the equivalent cooked quantity
  • 11 oz unsalted butter cold is fine; some of this is for the cake and some for the frosting, so follow the directions carefully!
  • 1 3/4 cups all purpose flour plain flour
  • 1 tsp baking soda bicarbonate soda
  • 2 tsp ground cinnamon
  • 2 tsp ground ginger
  • ¼ tsp ground cloves
  • ¼ tsp salt
  • 1 1/3 cups superfine sugar caster sugar
  • 1/2 cup brown sugar medium packed
  • 2 eggs
  • 1/3 cup buttermilk in a pinch, whole milk with a little squeeze of lemon in it, left to sit for a few minutes, will do as a substitute

For the toffee nuts and seeds

For the frosting

  • 4 oz browned butter Use the remaining brown butter from the cake recipe; set but not cold. If you have a bit more or less to use up, don’t worry; the water in the butter cooks out during the browning process, and water content varies from brand to brand so your quantity might be a little different from mine.
  • 8 oz cream cheese softened; 1 brick
  • 1/4 cup brown sugar
  • 1 1/4 cups confectioners sugar icing sugar

Instructions

Roast pumpkin and bake cake: conventional oven version

  • At least a couple of hours or up to a couple of days ahead, roast and puree the pumpkin. Preheat your oven to 190⁰C/375⁰F.
  • Put the pumpkin into a solid baking tray and roast it for about 30-35 minutes, or until very soft and starting to brown on the edges. Let it cool slightly, then scrape the flesh off the skin (discard the skin), and puree in a food processor or blender. Set aside until cool. You’ll need 1 ½ cups in total. If you have a little leftover you can freeze it for next time or use it for something else.
  • When you're almost ready to make the cake, brown your butter. Put the butter in a pan over medium-high heat. Let it melt, then cook, stirring or swirling the pan frequently, until the milk solids start to turn a medium golden brown colour (this takes 5-7 minutes for me but will depend on how hot your pan is). When it’s done, your kitchen will start to smell like buttery roasted nuts. Tip it out of the hot pan into a heatproof bowl quick smart, or it’ll keep cooking. Black butter is not good for much. Let it cool while you get the rest of the ingredients ready.
  • Set your oven to 170⁰C/340⁰F. Line a 12-hole regular sized muffin pan with paper or foil cases. You’ll turn out and re-use the pan later to make the remaining cakes.
  • In a large bowl, mix the flour, baking soda, spices and salt together, then make a well in the centre.
  • Measure 170g (6 oz) of your browned butter into a mixing jug or bowl (stir it up just before you measure it out as the solids will have sunk during cooling). Set the rest of the butter aside for the frosting. Add the cooled pumpkin, sugars, eggs and milk and whisk well to combine. Pour this mixture into the flour and stir to mix everything together.
  • Divide your batter into the cases (if, like me, you’re pedantic about these things, you could set your tray atop your scales and put exactly 70g into each case. Or just be a normal person and guess it). Bake until the cakes are risen, golden and spring back when gently pressed with a fingertip, about 18-20 minutes. Remove from the oven, let them sit in the tin for a couple of minutes, turn out and repeat the process with the remaining batter. Let the cakes cool completely before frosting.

Roast pumpkin and bake cake: combi steam version

  • At least a couple of hours or up to a couple of days ahead, roast and puree the pumpkin. Preheat your oven to 200⁰C/400⁰F (combination steam setting). If your oven has variable steam settings, use 80% (if not, don’t worry! Just set to combi steam at the correct temperature and the oven will take care of the humidity).
  • Put the pumpkin into a solid baking tray and roast it for about 20 minutes, or until very soft and starting to brown on the edges. Let it cool slightly, then scrape the flesh off the skin (discard the skin), and puree in a food processor or blender. Set aside until cool. You’ll need 1 ½ cups in total, if you have a little leftover you can freeze it for next time or use it for something else (I quite like leftovers stirred through hot pasta with ricotta, peas and bacon for a quick dinner).
  • When you're almost ready to make the cake, brown your butter. Put the butter in a pan over medium-high heat. Let it melt, then cook, stirring or swirling the pan frequently, until the milk solids start to turn a medium golden brown colour (this takes 5-7 minutes for me but will depend on how hot your pan is). When it’s done, your kitchen will start to smell like buttery roasted nuts. Tip it out of the hot pan into a heatproof bowl quick smart, or it’ll keep cooking. Black butter is not good for much. Let it cool while you get the rest of the ingredients ready.
  • Set your oven to 180⁰C/350⁰F (combination steam setting). If your oven has variable steam settings, use 60%. Line a 12-hole regular sized muffin pan with paper or foil cases. You’ll turn out and re-use the pan later to make the remaining cakes.
  • In a large bowl, mix the flour, baking soda, spices and salt together, then make a well in the centre.
  • Measure 170g (6 oz) of your browned butter into a mixing jug or bowl (stir it up just before you measure it out as the solids will have sunk during cooling). Set the rest of the butter aside for the frosting. Add the cooled pumpkin, sugars, eggs and milk and whisk well to combine. Pour this mixture into the flour and stir to mix everything together.
  • Divide your batter into the cases (if, like me, you’re pedantic about these things, you could set your tray atop your scales and put exactly 70g into each case. Or just be a normal person and guess it). Bake until the cakes are risen, golden and spring back when pressed with a fingertip, around 12 minutes. Remove from the oven, let them sit in the tin for a couple of minutes, turn out and repeat the process with the remaining batter. Let the cakes cool completely before frosting.

Make toffee nuts and seeds (optional):

  • Line a large sheet pan with non-stick baking paper. Put the sugar into a pan over high heat. Melt the sugar, swirling the pan occasionally (don’t stir it!) and let it caramelise to a golden amber colour. Remove from heat and immediately add the nuts, seeds, salt and butter. Stir so the butter melts and everything is incorporated. Working quickly, spread the mixture out on the tray and use a silicone spoon to separate as many of the big clumps as you can before the toffee sets. If you aren’t fast enough and a few clumps set, don’t worry, you can break them up later.
  • When cold and set, break up remaining larger pieces and top the frosted cupcakes. I’d recommend doing this right before serving so the toffee stays crunchy. This topping will keep, in an airtight container, for a few days. The more humidity it’s exposed to, the faster the toffee will turn soft.

Make frosting:

  • Put the frosting ingredients in the bowl of a stand mixer fitted with the paddle blade. Mix on low speed until creamy, then spread frosting onto the cooled cakes with a palette knife or put into a large piping bag with a plain round nozzle and squeeze a dollop onto each cake. The piping bag is my preferred method because it’s quick. If you aren’t the neatest at piping but still want to give it a go don’t worry, as any unevenness can be hidden underneath the nut topping!

Notes

  1. Adapted from the Brown Butter Pumpkin Layer Cake in Fine Cooking, Fall 2010, Issue 107.
  2. Makes 18-20 cupcakes, or 2-3 x 20cm (8 inch) layers.
  3. I have written the recipe with cupcake temperature and timing, but it bakes up beautifully in two or three layers if you’d prefer a single large cake. Just drop the oven temperature about 10 degrees celsius (50 degrees fahrenheit) and adjust the timing if necessary, depending on the size and depth of your layers. When the cakes test clean with a skewer in the centre, they’re done.
  4. If you go with a layer cake, I’d recommend making one and a half times, or even a double quantity of the frosting, so you’ve got enough for generous coverage.
  5. The toffee nuts and seeds on top of these cakes are optional but fantastic. If you wanted to go halfway and have crunch without extra sweetness, you could lightly toast the nuts and seeds and just use them without the toffee. The quantity given will make more than you need for the cupcakes but about the right amount if you’re topping a larger cake. Any leftovers can be bashed up and sprinkled over ice cream, or you could just pick at them every time you go past the kitchen until they’re gone. Not that I know anyone who’d do that. ;)

Nutrition

Calories: 404kcal | Carbohydrates: 48g | Protein: 4g | Fat: 23g | Saturated Fat: 12g | Cholesterol: 71mg | Sodium: 183mg | Potassium: 213mg | Fiber: 1g | Sugar: 36g | Vitamin A: 3873IU | Vitamin C: 3mg | Calcium: 47mg | Iron: 1mg