Pumpkin Mug Cake

This Pumpkin Mug Cake is the quickest way to satisfy your fall dessert cravings in minutes.This cozy single-serve treat is soft, fluffy, and full of autumn flavor. With just a handful of ingredients and 90 seconds in the microwave, you’ll have the easiest pumpkin spice mug cake ready to enjoy anytime.

This recipe is a variation of my cake mix mug cake. If you haven’t tried it you should! Three ingredients and the perfect sweet fix!

Why This Mug Cake’s a Keeper

• Single-serve dessert – Perfect when you want something sweet without making a whole cake.
• Minimal ingredients – Uses pantry staples and leftover pumpkin puree.
• Quick prep – Mix, microwave, and enjoy! No oven required.

This recipe was born out of a late-night craving for pumpkin spice cake when I didn’t want to bake a full dessert. After a few rounds of testing, I found the perfect balance of cake mix, pumpkin puree, and spice that creates a fluffy, moist mug cake every time.

I test all of my mug cake recipes to make sure they’re simple, reliable, and forgiving. Even if you’re brand new to baking. This pumpkin mug cake is one of those recipes you’ll want to keep in your back pocket all season long.

Before You Start Baking

Simple ingredients come together for big fall flavor:

• Spice cake mix – The perfect shortcut base with built-in warm spices.
• Pumpkin puree – Keeps the cake moist and adds that classic pumpkin flavor.
• Water – Helps thin the batter so it cooks evenly in the microwave.
• Oil – Just a touch ensures the cake is soft and tender.
• Pumpkin pie spice – Boosts the cozy fall flavor and pairs perfectly with the cake mix.
• Chocolate chips – Optional, but a tasty sweet addition.

All of these are easy to keep on hand, making this a quick go-to dessert whenever the craving hits.

Variations and Substitutions

• Use yellow or white cake mix with added cinnamon and nutmeg if you don’t have spice cake mix.
• Stir in chocolate chips, white chocolate, or chopped pecans for extra texture.
• Add a spoonful of cream cheese frosting after microwaving for a pumpkin spice cupcake vibe.

Pumpkin Mug Cake Recipe

This recipe comes together in just a few steps:

1. Mix the ingredients. Combine spice cake mix, pumpkin puree, water, oil, and pumpkin pie spice in a microwave-safe mug. Stir until smooth.
2. Microwave. Heat for 60–90 seconds, until the cake is set and springs back when touched.
3. Cool slightly. Let it sit for 1–2 minutes before digging in (it will be very hot!).
4. Top and enjoy. Add whipped cream, ice cream, or a sprinkle of cinnamon if you like.

This cozy dessert is ready faster than you can preheat an oven.

Helpful Tools

• Microwave-safe mug (12–14 oz): Using a slightly larger mug prevents the cake from overflowing as it rises. A sturdy ceramic mug also distributes heat more evenly for better texture.
• Measuring spoons: Precise measurements matter in mug cakes since they’re such small batches. A set of stainless steel or nesting spoons will help you get consistent results.
• Small whisk or spoon: A mini whisk makes it easier to combine the ingredients smoothly right in the mug, but a spoon works if that’s what you have.
• Microwave cover or paper towel: Placing one loosely over the mug can help prevent any splatters in the microwave.

Recipe FAQs

Storage and Make-Ahead Instructions

Since this is a single-serve dessert, it’s best eaten right away.

• Refrigerator: If you have leftovers, cover and refrigerate for up to 1 day. Reheat briefly in the microwave before eating.
• Make-ahead: Combine dry ingredients (cake mix + spice) in a jar or bag for a ready-to-go mix. Just add pumpkin, water, and oil when ready to cook.

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