Fudgy Grain-Free Heart-Shaped Protein Brownies

You’ll love this simple heart-shaped brownie recipe with a protein boost. Made from just ten wholesome ingredients, the batter yields fudgy, tender brownies baked in a heart silicone mold. These nourishing treats are sweetened naturally and deliver about 8 grams of protein per heart-shaped brownie—perfect for a healthier dessert that still feels indulgent.

Heart Shaped Protein Brownies – Fudgy and Grain Free!

I don’t need a special occasion to bake brownies, but with Valentine’s Day approaching I wanted a cute, shareable treat. After a few experiments, this version—made with almond butter and no flour—came out perfectly fudgy with a slight chew. Honey or maple syrup works as the sweetener, and chocolate chips add extra richness.

This recipe is flexible: bake in a heart mold, mini muffin tins for bite-size pieces, or a square pan to cut into shapes after cooling. The almond butter acts as the base instead of flour, making these brownies grain-free and naturally gluten-free when using certified ingredients.

Why you’ll love this recipe

One-bowl prep – Minimal ingredients and one bowl make this easy to prepare and easy to clean up.

Protein-rich – Each heart brownie contains about 8 grams of protein, a convenient way to add nourishment to dessert.

Gluten and grain free – No flour required. Almond butter gives these brownies a great texture and flavor, ideal for anyone avoiding grains.

What you need for protein chocolate brownies

Ingredients (see full recipe card below for exact measurements)

• Almond butter
• Eggs
• Honey (or maple syrup)
• Coconut oil (melted)
• Pure vanilla extract
• Chocolate protein powder
• Unsweetened cocoa powder
• Baking powder
• Sea salt
• Mini chocolate chips

How to make Valentine brownies

Step 1: Preheat the oven to 350°F (175°C). Lightly oil heart-shaped silicone molds or prepare your chosen pan. This recipe yields twelve heart brownies using a standard heart mold.

Step 2: In a mixing bowl, combine almond butter, eggs, honey (or maple syrup), melted coconut oil, and vanilla extract. Mix until smooth and fully combined.

Step 3: Add the chocolate protein powder, cocoa powder, baking powder and sea salt. Stir until the dry ingredients are fully incorporated, then fold in the chocolate chips.

Step 4: Scoop the batter into the prepared molds. Bake for 8–10 minutes—watch carefully so the tops look set but not overbaked. Overbaking yields a cake-like texture instead of a fudgy brownie.

Step 5: Let the brownies cool completely in the molds before removing. Cooling helps them set and makes them easier to release.

Tip: For extra chocolate, drizzle melted chocolate over the cooled brownies and sprinkle with festive nonpareils or sprinkles for a Valentine’s touch.

Can you make this without a heart silicone mold?

Yes. Bake the batter in a square or rectangular pan lined with parchment. After cooling completely, lift the slab out and use a heart-shaped cookie cutter to cut the brownies into hearts. This works well if you don’t have a silicone mold on hand.

How to store

Store cooled brownies in an airtight container at room temperature or refrigerate. Chilling improves the texture for many people, making them firmer and chewier.

If you want to freeze them, arrange individual brownies on a baking sheet lined with parchment and freeze until solid. Transfer to a freezer bag, label and date it, and keep frozen for up to six months. Thaw in the refrigerator or at room temperature before serving.

Substitutions, optional variations & dietary adjustments

Here are swap ideas to adapt the recipe:

Almond butter: Peanut or cashew butter both work; cashew butter is milder. For a nut-free option, use sunflower seed butter or tahini.

Eggs: Egg whites are an acceptable option, but flax egg substitutes are not recommended because this recipe relies on the eggs and almond butter for structure.

Sweetener: Maple syrup can replace honey for a vegan-friendly sweetener (if using a vegan egg substitute and other adjustments).

Fat: Melted butter or avocado oil can replace coconut oil.

Protein powder: If you prefer to omit protein powder, substitute almond flour or oat flour. A vanilla protein powder can be used but will yield a slightly different chocolate intensity.

Chocolate chips: Regular-size chips or chopped chocolate bars are both delicious alternatives.

More easy brownie recipes you’ll love

• Vegan black bean brownies
• Almond butter brownies
• Peanut butter swirl brownies

If you try these brownie hearts, please leave a star rating and comment to share how they turned out!

XO

Heather