I am obsessed with making healthier for you treats. This Chocolate Oat Flour Mug Cake with Olive Oil (Vegan) is the perfect healthy treat.

This mug cake tastes like a brownie, it is so freakin good. Thanks to oat flour it is also gluten free.
I love making healthy single serving desserts. For another yummy single serve dessert try my single serve cookie or my apple pie shaved ice.
Why you'll love this healthy single serve oat flour brownie
- It is made with healthy ingredients.
- It is gluten free, vegan and dairy free.
- It is a delicious and easy healthy treat.
Ingredients
- oat flour - Oat flour is the base for the recipe and makes it a little healthier.
- cacao - Cacao adds rich chocolate flavor.
- olive oil - Olive oil provides moisture.
- coconut sugar - Coconut sugar is the sweetener.
- plant milk - Plant milk provides moisture.
- salt - Salt balances out the sweetness.
- vanilla extract - Vanilla is a must.
See recipe card for quantities.
Instructions for making chocolate oat flour mug cake

Step 1: Mix together all ingredients except for chocolate chips until smooth.

Step 2: Top with chocolate chips.

Step 3: Microwave
Substitutions
- Olive oil - can be subbed with coconut oil or another neutral oil
- Coconut sugar - can be subbed with brown or white sugar
- Cacao - can be subbed with cocoa powder
- Oat flour - this can probably be subbed for all purpose flour, but I do not recommend
Equipment
No special equipment needed here. However I do love using these ramekins for my mug cakes.
Storage instructions
Although this only makes one serving, you could technically make this mug cake ahead of time and store it in a covered ramekin or mug for up to 24 or so hours.
Recipe FAQ
Yes I believe you could bake it at 350 for 15-20 minutes.
Recipe Pro-Tips
All microwaves vary in cooking times so make sure to check on your mug cake and not overcook it!

Other vegan treats to try
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Chocolate Oat Flour Mug Cake with Olive Oil (Vegan)
Ingredients
- 3 tablespoon oat flour
- 2 tablespoon cacao powder
- 2 tablespoon coconut sugar can sub brown sugar
- 3 tablespoon plant milk
- 1 tablespoon olive oil
- pinch salt
- ⅛ teaspoon baking powder
- ⅛ teaspoon vanilla extract
- chocolate chips to taste
Instructions
- Add all ingredients except for the chocolate chips to a ramekin or mug. Mix until just combined.
- Top with chocolate chips if using
- Microwave for 50-80 seconds. I microwaved mine for 60 seconds on the dot and it came out perfect.









Jaimee says
This was SO good! I used canned pumpkin in place of oil, and it turned out awesome! Like a super fudge brownie!