Mix-and-Match Protein Bar Recipe

These homemade protein bars are no-bake, high-protein, and totally customizable, made with your favorite protein powder and simple pantry ingredients.

This recipe keeps things simple: no baking, no fuss, and no peanut butter required (unless you want it).

Recipe ingredients

This recipe has two base versions, one made with dates (nut-free), and one with peanut butter (no dates). Both share a set of core ingredients, with a few unique to each version. Here's what you need for each:

In the dates version only (nut-free)

• Dates: The sticky binder for this version. Medjool dates work best for moisture and rich caramel flavor. If using drier Deglet Noor dates, soak them in hot water for 10 minutes first.
• Vanilla: Adds flavor depth and rounds out the natural sweetness.

In the peanut butter version only

• Nut butter: Use a no-stir variety like Jif, Skippy, or Barney Butter for structure. Avoid drippy natural nut butters. Wow Butter works for a nut-free option.
• Cocoa powder: Deepens the chocolate flavor and helps thicken the mixture. Dutch-processed is best, but natural works, too.

In both versions

• Oats or oat flour – Ground oats form the base. You can use oat flour instead: 250g = 2 cups + 1 heaping tablespoon.
• Protein powder – Use your favorite; flavored powders add taste, whey protein isolate adds the most protein per scoop but tends to be drying so you will probably need a bit more moisture.
• Maple syrup – Adds sweetness and helps the bars bind. Honey works too, but you’ll need less since it's thicker, sweeter and stickier.
• Milk – Adds moisture and helps everything come together. Add slowly so the bars stay firm.
• Salt – Balances sweetness and enhances flavor.
• Chocolate – Use unsweetened in the base for richness without adding refined sugars, and sweetened for coating or drizzle, if adding.

How to make homemade protein bars (step by step photos)

Here's an overview of what it's like to make these bars in your own kitchen. For full ingredient amounts, scroll down to the recipe card below.

Step 1: Process the base

• Grind oats into flour in a food processor (or use oat flour). This provides a stable base for the bars, giving them more stable, dense structure than rolled oats alone could.
• Add protein powder, maple syrup, melted unsweetened chocolate, and milk. These provide much of the protein content (especially in the nut-free version), flavor, and help bind everything together for a stable bar.
• Add either:
  • pitted Medjool dates (for the date version) to help the bars stick together and increase their fiber content; or
  • cocoa powder and nut butter (for the nut butter version) for flavor, structure, added protein and to help the bars hold together (from the nut butter).

Step 2: Blend & adjust

• Process just until the mixture clumps together and holds its shape. Overprocessing it will lead to a gummy result since it breaks down the oats too much and exposes too much starch, which gelatinizes into an unpleasant texture.
• If it’s too dry, drizzle in milk very slowly, 1 teaspoon at a time. Be careful not to add too much liquid since it will make the bars too soft.

Step 3: Press & chill

• Press the mixture firmly into a lined pan in an even layer so everything holds together.
• Chill for at least 1 hour in the fridge (or 20 minutes in the freezer) to firm up the chocolate, which will return to a solid state as it cools, giving the bars a lot of stability.

Step 4: Slice & finish

• Cut into bars using a sharp knife to make clean cuts in one swift motion, rather than sawing back and forth which will tear the bars and leave them jagged and less stable.
• Optional: drizzle or dip in melted chocolate for more visual interest and flavor, then let set at room temperature so the drizzled chocolate becomes solid again.

Your protein bar questions, answered