Can You Eat Peanut Butter on a Keto Diet?

Yes, you can eat peanut butter on a keto diet — but only if it's natural and unsweetened. Look for a label with just peanuts and salt. Limit your serving to stay within your daily carb goal.

Why Do My Keto Peanut Butter Cookies Crumble?

Keto cookies often crumble when they’re underbaked, missing a binder (like egg or almond flour), or moved before cooling. Let them cool completely and add a yolk or almond flour to improve structure.

How Many Net Carbs Are in Keto Peanut Butter Cookies?

Most 3-ingredient keto peanut butter cookies have around 1.5 to 2g of net carbs per cookie . Always use a food tracker to calculate exact macros based on your specific ingredients and batch size. If you're looking for another super low-carb dessert, try this easy keto chia pudding —it's quick to prep and great for carb-conscious days.

What’s the Best Nut Butter for Keto Cookies?

The best keto nut butters are natural peanut butter, almond butter, and macadamia nut butter — with no added sugar or oils. Look for fewer than 3g net carbs per serving.

Keto Peanut Butter Cookies – Easy 3-Ingredient Low Carb Recipe

Name: Keto Peanut Butter Cookies That Actually Taste Good (And Won’t Crumble)
Prep time: 5 min
Cook time: 10 min
Total time: 15 min
Cuisine: Keto
Ingredients: 1 cup natural peanut butter (unsweetened); 1/2 cup erythritol or monk fruit blend; 1 large egg

Ingredients

Scale

1 cup natural peanut butter (unsweetened)
1/2 cup erythritol or monk fruit blend
1 large egg

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Instructions

Preheat oven to 350°F (175°C).
Mix all ingredients in a bowl until fully combined.
Scoop dough onto a parchment-lined baking sheet.
Flatten each cookie with a fork in a crisscross pattern.
Bake for 10–12 minutes, until edges are golden.
Cool completely—this is key for structure.

Notes

For extra crunch or flavor, stir in chopped nuts, sugar-free chocolate chips, or a dash of cinnamon. If dough feels dry, add 1 tbsp melted butter or 1 tsp vanilla extract.

Author: Dad Mark
Prep Time: 5 minutes
Cook Time: 10 minutes
Category: Dessert
Method: Baking
Cuisine: Keto