This copycat Quest Brownie Protein Bar recipe delivers a dense, fudgy, and chewy protein bar that rivals the store-bought version. Made with a blend of whey and casein proteins, almond flour, and cocoa, it packs a serious protein punch with a fraction of the sugar. It’s perfect for meal prep, post-workout fuel, or a satisfying sweet treat that fits your macros.
Ingredients
- 1 1/2 cups (170 g) chocolate whey protein powder (or a mix of whey and casein)
- 1/2 cup (60 g) chocolate casein protein powder (or additional whey)
- 1/2 cup (60 g) almond flour
- 1/4 cup (25 g) unsweetened cocoa powder
- 1/4 cup (50 g) granulated erythritol or monk fruit sweetener (adjust to taste)
- 1/4 tsp salt
- 1/4 cup (60 ml) unsweetened almond milk (or water)
- 1/4 cup (60 g) unsweetened applesauce
- 2 tbsp (30 ml) melted coconut oil or butter
- 1 tsp vanilla extract
- 1/4 cup (40 g) sugar-free chocolate chips (optional)
Instructions
- Line an 8×8-inch (20×20 cm) baking dish with parchment paper, leaving overhang on two sides for easy lifting.
- In a large bowl, whisk together the whey protein, casein protein, almond flour, cocoa powder, sweetener, and salt until well combined.
- In a separate small bowl, mix the almond milk, applesauce, melted coconut oil, and vanilla extract.
- Pour the wet ingredients into the dry ingredients. Stir with a spatula until a thick, crumbly dough forms. If the dough is too dry, add more almond milk 1 teaspoon at a time until it holds together when pressed.
- Fold in the sugar-free chocolate chips, if using.
- Press the dough firmly and evenly into the prepared baking dish. Use a piece of parchment paper on top to smooth it out.
- Refrigerate for at least 2 hours, or until firm enough to cut cleanly.
- Lift the block out using the parchment overhang, place on a cutting board, and cut into 8 bars. Store in an airtight container in the fridge.
Tips
- Protein powder matters: Use a blend of whey and casein for the best texture—casein helps create the dense, chewy consistency similar to Quest bars. If you use only whey, the bars may be softer and more cake-like.
- Sweetener adjustments: Taste the dough before pressing—it should be sweet enough for your liking. Erythritol is less sweet than sugar, so you may need more. If using a sweetener with added bulking agents, reduce the almond flour slightly.
- Press firmly: The bars hold together best when the dough is packed tightly into the pan. Use a flat-bottomed glass or your hands to press it down evenly.
- Don’t overmix: Overmixing can make the bars tough and dry. Mix just until no dry spots remain.
Serving Suggestions
Enjoy these bars as a quick breakfast on the go, a post-workout snack, or a mid-afternoon pick-me-up. They pair well with a glass of milk or a cup of coffee. For a more indulgent treat, warm a bar in the microwave for 10-15 seconds and top with a dollop of Greek yogurt or peanut butter.
Variations
- Peanut Butter Brownie: Replace the applesauce with 1/4 cup (60 g) natural peanut butter and add 1 tbsp (15 g) peanut flour if needed.
- Mint Chocolate: Add 1/2 tsp peppermint extract in place of the vanilla and use dark chocolate chips.
- Cookie Dough: Swap the cocoa powder for an additional 1/4 cup (30 g) almond flour and add 1/4 cup (40 g) sugar-free chocolate chunks.
- Double Chocolate: Use chocolate protein powders and add 1 tbsp (10 g) cocoa powder for an extra intense chocolate flavor.
Storage and Reheating
Store the bars in an airtight container in the refrigerator for up to 1 week. They can also be frozen for up to 3 months—wrap each bar individually in plastic wrap and place in a freezer bag. Thaw in the fridge overnight or at room temperature for 30 minutes. To reheat, microwave for 10-15 seconds until warm and fudgy.
Frequently Asked Questions
Can I use only whey protein? Yes, but the texture will be less dense and more cake-like. To mimic the chewy texture of Quest bars, use a casein/whey blend or add 1 tbsp (8 g) of psyllium husk powder to the dry ingredients.
Can I make these without a sweetener? Yes, you can omit the sweetener entirely, but the bars will be very bitter. Consider using a ripe mashed banana (about 1/2 cup) instead, but note this will add carbohydrates and change the texture slightly.
Why are my bars crumbly? This usually happens if the dough is too dry. Add more liquid (almond milk or applesauce) a teaspoon at a time until the dough sticks together when pressed. Also, make sure you press the dough very firmly into the pan.
How many calories and macros are in each bar? The exact numbers depend on your protein powder and sweetener. On average, each bar will have around 180-220 calories, 20-25 g protein, 8-10 g fat, and 5-8 g net carbs. Use a nutrition calculator with your specific ingredients for accuracy.
Can I bake these instead of refrigerating? Yes, you can bake them at 325°F (160°C) for 10-12 minutes for a more cake-like texture. Let them cool completely before cutting.
Are these safe for people with nut allergies? No, they contain almond flour. You can substitute sunflower seed flour or oat flour, but the texture will change. Ensure all other ingredients are nut-free.
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