Microwave Lava Cake is the ultimate treat for those craving a warm and gooey dessert in no time. With just a few simple ingredients and a trusty microwave, you can whip up a decadent full-size chocolate cake that will satisfy your sweet tooth instantly.

Tell your family to get ready to indulge in pure chocolaty bliss with this simple microwave full-size cake that is ready to enjoy in no time at all.
Other chocolate desserts your family may enjoy are this amazing Chocolate Poke Cake and this super creamy Chocolate Tofu Pie!
Table of contents
Recipe Ingredients
- Chocolate Cake Mix
- Chocolate Frosting
- Powdered Sugar
- Vegetable Oil
- Eggs
- Water
This recipe calls for vegetable oil, eggs, and water since they are the most common ingredients needed per most box cake mixes.
Equipment needed
- 2 ½ quart (or slightly larger) microwave-safe baking dish with a microwave-safe lid (such as Corning Ware or similar)
- Microwave Oven
Step-by-step recipe directions
In a large mixing bowl, make the cake batter per the instructions on the package of your cake mix.
Spray a 2 ½ quart baking dish with nonstick cooking spray. Pour the cake batter into the baking dish.
Using a spoon, scoop the frosting all over the top of the batter. This creates the gooey chocolate center while the cake cooks.
Place the lid on the baking dish. Microwave the chocolate lava cake for 10 minutes at full power.
Remove the cake from the microwave and let set, with the lid still on for another 5 minutes.
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Remove the lid and dust with powdered sugar if desired. Serve the cake while still warm with either whipped cream or a scoop of vanilla ice cream.
Chocolate lovers will love this full size version of microwave lava cake versus the individual cakes cooked in a mug. This easy dessert is a decadent treat with its warm molten center of delicious chocolate sauce. The best part is sharing this simple dessert with family and friends.
Recipe FAQ's
Take a peak at the cake after cooking it for 10 minutes. If the edges don't look done, continue to microwave for another 1 to 2 minutes.
Store leftover cake, covered, in the refrigerator. You can easily rewarm some later in the microwave.
Other recipes you might like
- Puff Pastry Fruit Tart
- Strawberry Crunch Bars
- Date Bark with Peanut Butter and Chocolate
- Rocky Road Cake - A Chocolate Lover’s Dream
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Printable Recipe
Microwave Chocolate Lava Cake (Full-Size)
Equipment
- Microwave Oven
- 2 ½ Quart Microwave Safe Dish with Lid
Ingredients
- 15.25 ounces Chocolate Cake Mix boxed
- 1 cup Water *
- ½ cup Vegetable Oil *
- 3 Eggs *
- 16 ounces Chocolate Frosting one tub
- Powdered Sugar for garnish
- Ice Cream or Whipped Cream optional
Instructions
- In a large mixing bowl, make the cake batter per the instructions on the box.
- Spray a 2 ½ quart baking dish with nonstick cooking spray. Pour the cake batter into the baking dish.
- Using a spoon, scoop the frosting all over the top of the batter. This creates the gooey chocolate center while the cake cooks.
- Place the lid on the baking dish. Microwave the molten lava cake for 10 minutes at full power.
- Remove the cake from the microwave and let set, with the lid still on for another 5 minutes.
- Remove the lid and dust with powdered sugar if desired. Serve the cake while still warm with either whipped cream or a scoop of vanilla ice cream.
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