June 28, 2026 · 1 min

Microwave Peanut Butter Lava Cake for Two

Dessert1 min215 cal / serving

If you’re craving a decadent dessert that comes together in minutes, this peanut butter lava cake is exactly what you need. With a soft, cakey exterior and a warm, flowing peanut butter center, it’s a personal-sized indulgence that feels special but requires almost no effort.

Whether you pop it in the microwave or bake it in the oven, the result is a rich, nutty treat that pairs beautifully with ice cream, fresh fruit or a sprinkle of flaky sea salt. Perfect for a weeknight dessert or a last-minute sweet fix.


Recipe details

Dessert1 min215 cal / serving2 servings

Nutrition per serving

Calories215 kcalProtein0.3 gFat24.3 gCarbs0 gSugar0 gFiber0 gSodium3 mg

Dietary labels

Gluten-free: yesLactose-free: noDairy-free: no

Allergen check

Gluten / wheat: not detectedMilk / dairy: containsEgg: containsFish: not detectedShellfish: not detectedPeanut: containsTree nuts: not detectedSoy: containsSesame: not detectedMustard: not detectedCelery: not detectedSulphites: not detectedLupin: not detectedMolluscs: not detected

Values are calculated per serving from ingredient amounts and the ingredient nutrition reference per 100g. Allergen and diet labels use available ingredient metadata and name matching; always check product labels for strict diets or allergies.


Ingredients

Instructions

  1. Keep the cakes frozen or refrigerated until ready to eat; best if used within 7 days.
  2. If frozen, thaw in the refrigerator (at 40°F) overnight or for 2-3 hours at room temperature before eating.
  3. Remove and discard the plastic wrapping from each cake.
  4. For oven: Preheat oven to 350°F. Place the thawed cake in its tray on a baking sheet and bake until warmed through, 10-14 minutes. Oven times may vary.
  5. For microwave: Place the thawed cake in its tray and microwave until warmed through, 30-45 seconds. Do not overheat.

Recipe Tips

For best results, serve immediately while the center is still molten.

Top with vanilla ice cream, chopped peanuts or a drizzle of chocolate sauce for extra indulgence.

FAQ

Can I cook the lava cake from frozen?

It’s best to thaw the cake first. If frozen, thaw in the refrigerator overnight or at room temperature for 2-3 hours before cooking.

How do I know when the cake is done?

The cake should be warmed through with a molten center. In the oven, check after 10 minutes; in the microwave, start with 30 seconds and add time as needed.

Can I double the recipe?

Yes, simply cook two cakes at once. Adjust cooking time slightly if needed.

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