Low-Calorie No-Bake Chocolate Peanut Butter Cookies

These addicting and filling gluten-free chocolate peanut butter cookies, made with milk and oats, are perfect for the holidays and require no oven. They’re quick to prepare, satisfying, and naturally egg-free—ideal for busy bakers or anyone who prefers a simple, comforting treat.

No-bake chocolate peanut butter cookies made with milk and oatsSkinny No-Bake Chocolate Peanut Butter Cookies

These cookies pair nicely with a variety of lighter holiday confections such as Peppermint Meringues, Chocolate Meringue Cookies, Gingerbread Man Cookies or Gingerbread Christmas Trees, Vanilla Snowman Cupcakes, and Rudolph the Red Velvet Cupcakes. They’re an easy option to include on a holiday cookie tray when you want something chocolaty, nutty, and fuss-free.

Christmas baking can be a full-time hobby in many households. Some families make dozens of different cookies to share as gifts. I grew up watching relatives bake, and while baking has always been precise, I tend to prefer recipes that allow a little improvisation. That’s why I love this no-bake version: it’s forgiving, fast, and dependable.

These cookies are pleasantly dense and filling, so a small portion goes a long way. They can be enjoyed as an afternoon snack, a quick dessert, or even as a grab-and-go breakfast when paired with a glass of milk. They are naturally egg-free and can be gluten-free if you use certified gluten-free quick oats.

No-bake cookies ready to serve

The first time I tried a no-bake cookie was relatively recently, and I enjoyed lightening up the original version. For these lighter cookies, I used a lower-fat peanut butter product, which helps cut calories while keeping the peanut butter flavor pronounced. If you prefer, regular or natural peanut butter will also work, but results may vary slightly in texture and fat content.

You can roll the finished cookies in powdered sugar or cocoa for a festive appearance, or leave them plain for a simpler, rustic look. For the best texture, refrigerate them overnight so they firm up and the flavors meld. Store any leftovers in the refrigerator for several days to keep them fresh.

Close-up of no-bake chocolate peanut butter cookies

Recipe: Skinny No-Bake Chocolate Peanut Butter Cookies

Summary: These addicting and filling gluten-free chocolate peanut butter cookies, made with milk and oats, are perfect for the holidays and require no baking.

Rating: 3 from 2 votes

Cals: 105.9 ·
Protein: 3.1 g ·
Carbs: 18.8 g ·
Fat: 2.3 g ·
Fiber: 2.3 g
Prep: 25 mins ·
Cook: 2 mins ·
Total: 30 mins
Yield: 20 servings (makes about 40 cookies)
Serving size: 2 cookies (1 tbsp each)

Ingredients

  • 2/3 cup sugar
  • 1/2 cup unsweetened cocoa powder
  • 2 tbsp light butter or margarine (such as Smart Balance Light)
  • 1/2 cup fat-free milk
  • 2 1/2 cups quick oats (use certified gluten-free oats if needed)
  • 3/4 cup reduced-fat peanut butter (or your preferred peanut butter)
  • 1 tsp vanilla extract
  • Powdered sugar or additional cocoa powder for rolling (optional)

Instructions

  1. Combine the sugar, cocoa powder, light butter, and milk in a small saucepan. Bring the mixture to a boil over medium heat, stirring frequently to prevent scorching. Once boiling, allow it to boil for 2 minutes while continuing to stir.
  2. Remove the saucepan from the heat and quickly stir in the quick oats, the peanut butter, and the vanilla until everything is evenly combined. The mixture will be thick and slightly glossy.
  3. Using a tablespoon or a small cookie scoop, drop portions of the mixture onto a sheet of wax paper. If you prefer rounded cookies, dampen your hands slightly and roll each portion into a ball, then flatten slightly.
  4. Place the cookies on the wax paper and refrigerate overnight to let them firm up and for the flavors to meld. If short on time, chill at least a few hours until set.
  5. The next day, if desired, roll the chilled cookies in powdered sugar or sifted cocoa powder for a finished look. Store in an airtight container in the refrigerator for several days.

Notes and Tips

  • Makes about 40 cookies. Two cookies (1 tablespoon each) are considered one serving in the nutrition estimate.
  • For a gluten-free version, be sure to use oats labeled “gluten-free.”
  • Texture and richness will vary depending on the type of peanut butter used. Reduced-fat or thicker peanut butter works well here, while natural peanut butter (with oil separated) may require a little stirring to incorporate.
  • To make smaller or larger cookies, adjust the scoop size and chill time accordingly. Smaller cookies will set faster.
  • These cookies keep best refrigerated. If you prefer a softer texture, let them sit at room temperature for 10–15 minutes before serving.

Nutrition (per serving)

Serving: 2 cookies (1 tbsp each). Calories: 105.9 kcal, Carbohydrates: 18.8 g, Protein: 3.1 g, Fat: 2.3 g, Saturated Fat: 0.3 g, Cholesterol: 0.1 mg, Sodium: 12.2 mg, Fiber: 2.3 g, Sugar: 7.9 g.

Serving Suggestions

Serve these cookies chilled for a firmer bite, or allow them to sit briefly at room temperature for a chewier texture. They go well with coffee, hot chocolate, or a simple glass of milk. Consider arranging them on a holiday cookie platter alongside lighter meringues and gingerbread for variety.

Last step: if you try this recipe, consider leaving a rating or comment where you found it so others can benefit from your experience. Simple feedback helps cooks know what adjustments work best for different tastes and ingredients.