The perfect Protein Microwave Lava Cake with the gooey center, but sugar free and low fat! Healthy microwave molten lava cake uses protein powder for sweetness and has no sugar or butter.

That gooey center in this microwave lava cake was just spot on! Just what you want from an indulgent dessert recipe, but without all the sugar and fat.

Really clean ingredients in this microwave protein chocolate lava cake too!

Ingredients for Protein Microwave Lava Cake

This single serve protein microwave lava cake is made with a few simple and healthy ingredients, and has no sugar or butter or oil!

Whole Wheat Pastry Flour – or a regular all purpose flour
Chocolate Protein Powder needed for high protein lava cake and also replaces the ‘sugar’. I used Chocolate Milkshake protein powder from Quest Nutrition.
HTLT Supps is another great option.
Unsweetened Cocoa Powder
A bit of Greek Yogurt to add moisture since there’s no butter or oil in here
Egg Whites for extra protein
Unsweetened Almond Milk
A bit of Vanilla Extract
Baking Powder

If you need to add more sweetness, Stevia Powder or Zero Calorie Sugar Substitute; I use Lakanto, to keep this protein lava cake recipe sugar free; (code HAYLSKITCHEN for a discount here too)

And then for some of the center of this Microwave Lava Mug Cake:

Sugar free Chocolate Bar or Chocolate Chips to make this a Samoa cookie bar with no added sugar. I use the ones from Lakanto here (HAYLSKITCHEN for a discount here too). Another option is Lily’s Bar or Chocolate Chips.

Tips to make Molten Lava Cake with Protein Powder in the Microwave

This microwave molten lava cake using protein powder really is an easy one and made in a mug, but make sure you do all of this stuff to get is perfect.

Grease the mug! You want the lava cake to come off easily.

Don’t over-mix the batter!
Make sure you gently fold the dry mix into the wet to combine them.
If you over-mix it, the protein powder will make your protein lava cake tough, dense and gummy.

Taste the batter and see if you need some extra sweetener. I’d recommend using stevia powder to maintain the consistency of the batter.

Don’t overcook. The top will should be soft slightly jiggly in the center (about half of it) and cooked all around.
It will continue to cook when out, and you want the proper molten lava center.

Wait for the cake to cool a bit.

Run a knife along the side of the ramekin to loosen it so it comes off smoothly when you flip it on a plate.

Alternates for this Healthy Microwave Lava Cake Recipe

I recommend making this a healthy microwave lava cake with the protein powder and other ingredients listed since it gives the best results.

If you need other options for the flours and such, here’s some alternatives for a healthy lava cake for one:

Whole Wheat Pastry Flour: All purpose flour, 1:1 gluten free baking flour or Almond Flour in the same amount by weight not cups.
Update: A reader has confirmed that Almond flour works here.
Chocolate Protein Powder: Use Vanilla; You might need another tsp of Cocoa powder though.
Egg Whites: 2 Tbsp aquafaba (chickpea liquid). I haven’t given this a try yet though.
Greek Yogurt: Coconut Yogurt, Pumpkin Puree, Mashed Banana
Almond Milk: Any other milk

A Vegan Microwave Molten Lava Cake

This microwave molten lava cake recipe has no butter or milk and can easily be made Vegan too.

For the perfect Vegan protein microwave lava cake recipe, make sure you use a plant based protein powder, aquafaba and coconut yogurt.

More Microwave-friendly Protein Powder Dessert Recipes:

More Protein Lava Cake Recipes to Try: