Looking for a quick, single‑serve dessert that comes together in minutes with common pantry staples? This Raspberry Jell‑O Microwave Mug Cake is ready in about three minutes from start to finish and uses just a few simple ingredients.
Instead of baking a whole cake and dealing with leftovers, this mug cake is ideal for one or for letting multiple people make their own flavors using different Jell‑O packets. It’s fast, customizable, and mess‑free.

How Many Calories and WW Points in this Jell‑O Mug Cake?
This recipe yields one mug cake with about 222 calories per serving. WW Points are listed as 8 for this serving; to verify and track the exact Points for your account, check the WW app while logged in.
How to Make Jell‑O Microwave Mug Cake, Step by Step
Step 1: Gather and measure your ingredients.

Step 2: In a large microwave‑safe mug, whisk together the flour, baking powder, sweetener, and Jell‑O gelatin until evenly combined.

Step 3: Stir in the milk and oil until the batter is smooth and the dry ingredients are fully absorbed.

Step 4: Microwave on HIGH for 1 minute. If the cake is not set, heat in 15‑second increments until done. The cake is ready when the top is slightly tacky and springs back when pressed lightly.

Step 5: Let the cake cool for a minute or two. Enjoy it straight from the mug, or loosen the edges with a sharp knife and invert the mug onto a small plate to release the cake.

Step 6: Serve plain or add toppings such as fresh berries, a light whipped topping, or sprinkles for extra flair.

Recipe Notes
This mug cake is highly adaptable. Swap the raspberry Jell‑O for any favorite flavor—orange, lemon, lime, strawberry, cherry, pineapple, and more all work well. The recipe also translates to a microwave‑safe bowl if you prefer.

I haven’t tested this with sugar‑free Jell‑O yet, but if you try it, please leave a comment describing the results—many readers will appreciate the feedback.
Serving Suggestions
For an extra burst of flavor, top the cake with fresh raspberries. For even more intensity, add fresh berries plus a spoonful of raspberry sauce or a light drizzle of your favorite topping. A small dollop of low‑fat whipped topping also complements the cake nicely.

If you make this Microwave Mug Jell‑O Cake, consider rating the recipe and leaving a short comment about how you served it. It’s a fast, customizable dessert perfect for busy weeknights or when you want something sweet without the fuss.

Microwave Mug Jell-o Cake
Print Recipe
Equipment
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Jumbo mug or microwave‑safe bowl
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Microwave
Ingredients
- 4 tablespoons all‑purpose flour
- 1/4 teaspoon baking powder
- 1 teaspoon zero‑calorie sweetener (optional)
- 1 tablespoon Jell‑O gelatin powder (raspberry or preferred flavor)
- 3 tablespoons unsweetened almond milk (or milk of choice)
- 1 teaspoon canola oil (or neutral oil)
Instructions
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Whisk the flour, baking powder, sweetener (if using), and Jell‑O gelatin in a large microwave‑safe mug.
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Stir in the milk and oil until the batter is smooth and the dry ingredients are absorbed.
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Microwave on HIGH for 1 minute. If it needs more time, heat in 15‑second increments until done; the top should be slightly tacky and spring back when pressed.
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Let cool slightly, then enjoy from the mug or invert onto a plate after loosening the edges.
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Top as desired with fresh fruit, light whipped topping, or sprinkles.
Notes
WW Points: 8 (approximate)
This recipe works with any Jell‑O flavor. If you try sugar‑free gelatin, results may vary—please share your experience.
You can prepare the batter in a microwave‑safe bowl instead of a mug if preferred.
Nutrition
Nutrition information is automatically calculated and should be used as an approximation.
Additional Info
If you like this Single Serving Microwave Mug Cake, you may also like
- Easy 2‑Ingredient Orange Angel Food Mug Cake
- WW Friendly Pineapple Mug Cake
- Simple 3‑2‑1 Microwave Mug Cake
- From‑Scratch Gluten‑Free Microwave Mug Cake