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Peanut Butter Cups

Updated Jul 28, 2023Published Mar 11, 2018 By Julia 24 CommentsThis post may contain affiliate links.

Summary:
Enjoy these easy-to-make keto peanut butter cups that are low in carbs and sugar free.
Tall stack of keto peanut butter cups that are low carb and sugar free

Peanut Butter Cups

5 from 5 votes
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Prep: 30 minutes mins
Yield: 12 cups

INGREDIENTS

  • 340 grams (12oz) low carb milk chocolate

Peanut butter mixture:

  • 100 grams (3.5oz) peanut butter
  • 25 grams (1oz) powdered erythritol (about 2 tbsp)
  • 25 grams (1oz) whey protein powder

INSTRUCTIONS

  • Mix all peanut butter ingredients very thoroughly, until it becomes a dough that does not stick to the sides of the bowl. For easier handling, refrigerate until used later.
  • Make low carb chocolate. Or, use storebought chocolate and melt on low heat or in a double boiler. Remove from heat once liquid.
  • Pour 12g chocolate (about 1 tbsp when hot) into each of the 12 cupcake wrappers.
  • Chill cupcake wrappers in the refrigerator until firm, about 15 minutes.
  • Take the wrappers and peanut butter out of the refrigerator. Place a 1/2 tablespoon ball of peanut butter in each wrapper and flatten until it nearly touches the edge of the wrapper.
  • Stir the remaining liquid chocolate and then pour 16g chocolate (about 4 tsp when hot) over each filled wrapper. Chill in the refrigerator until hardened, about 30 minutes. Store at room temperature.

NUTRITION

Makes 12 Servings
Amount Per Serving (1 peanut butter cup):
Calories 220 (79% from fat)
Total Fat 20g 30%
   Saturated Fat 10g 52%
Cholesterol 0mg 0%
Sodium 20mg 1%
Net Carb 2g
Total Carb* 5g 2%
   Dietary Fiber 3g 12%
   Sugars 1g
Protein 6g
Vitamin A 0% · Vitamin C 0% · Calcium 1% · Iron 9%
*Nutrition does not include sugar alcohols like erythritol, which cannot be digested by the body.

PHOTOS

Tall stack of keto peanut butter cups that are low carb and sugar free

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Filed Under: Desserts, Low Carb, Per Serving: Under 5g Net Carbs Tagged With: 0-30min, 1-5ingredients, chocolate, erythritol, featured, peanut butter, stovetop, vegetarian

About Julia

ABOUT THE AUTHOR
Julia is a recipe developer and the founder of Savory Tooth, and lives in Boston, Massachusetts. Since 2015, she has been sharing simple recipes for tasty dishes in a user-friendly format. She typically prefers savory foods over sweet, hence the name of the site. Contact her at julia@savorytooth.null.com.

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newest oldest most voted
Stefan Wood

Is there a other alternative to low carb milk chocolate 🙂

Vote Up0Vote Down  Reply
4 years ago
Julia

You will definitely need some kind of milk chocolate to make these peanut butter cups. You can either purchase it, or follow the link in the recipe to make homemade chocolate.

Vote Up0Vote Down  Reply
4 years ago
Shirley

This is step 2 in the Instructions: Make low carb chocolate. Or, use storebought chocolate and melt on low heat or in a double boiler. Remove from heat once liquid.
Remove from heat once liquid………………??????? Need some help here! :o)

Vote Up0Vote Down  Reply
5 years ago
Julia

Once liquid (meaning once the chocolate is melted), turn off the heat or remove the pan from the heat. Does that make sense?

Vote Up0Vote Down  Reply
5 years ago
The Wench

One of the best keto recipes I’ve ever tried…tastes (and looks) so close to the real thing! None of that post-bite cooling sensation that reeks of fake sweetener. For the next batch I may swap out just a bit of the whey powder in the peanut center with peanut powder to amp up the peanutiness just a bit (only because my taste leans more toward salty than sweet) . Kudos to Mr Savory/Sweet Tooth for the excellent low carb chocolate recipe.

Vote Up0Vote Down  Reply
5 years ago
Paula Leet

I have not made this recipe yet. I have Monk Fruit In the raw sweetener. I am not sure how much of this I should use in place of the Erythritol. Can you help me with this?

Vote Up0Vote Down  Reply
5 years ago
Julia

I looked up “Monk Fruit in the Raw” and its packaging indicates that it measures the same as sugar. Erythritol (used in this recipe) is about 70% as sweet as sugar. So you should be using 17.5 grams (25 grams x 0.70).

Vote Up0Vote Down  Reply
5 years ago
Paula Leet

Thank you Julia. I also wanted to ask about the whey flour you use. I click on the link and it brings me to chocolate flavored whey on Amazon. I have been using almond flour but the peanut butter won’t get dry enough to form a ball. It spreads out too much. I was wondering if the whey you use would be different as well as the whey flavor?

Vote Up0Vote Down  Reply
5 years ago
Julia

Thanks for asking about the whey protein powder. I’ve corrected the Amazon link; it should direct you to the whey protein powder that I recommend. It’s by the brand Isopure, unflavored, 100% whey isolate, and has zero carbs.

If your peanut butter is spreading too much, I would increase the proportion of dry ingredients. For example, adding small amounts of whey protein powder (or almond flour, if that’s what you’re using) into the mixture until it becomes dough-like.

Vote Up0Vote Down  Reply
5 years ago
Paula Leet

Thank you so much! I will order the whey and see if that makes a significant difference.

Vote Up0Vote Down  Reply
5 years ago
cheri oneil

Just made these.. They are awesome!!! Thanks for all your recipes…

Vote Up0Vote Down  Reply
6 years ago
Bailey Gagliano

I have made these a few times and every time… I always seem to need to half the chocolate (I make home made) and 1.5 the peanut butter this recipe calls for… I weigh out the ingredients… am I doing something wrong?

Vote Up0Vote Down  Reply
6 years ago
Julia

Hard to say without more information. Perhaps your cupcake wrappers are differently sized than mine?

Vote Up0Vote Down  Reply
6 years ago
Kathy

Great recipe. My husband loves them.

Vote Up0Vote Down  Reply
6 years ago
Vicki

I’m new to Keto. Where would I find erythriyol?

Vote Up0Vote Down  Reply
6 years ago
Julia

You can buy them online at Amazon. Click on the ingredient in the recipe box, which will link you to a product page.

Vote Up0Vote Down  Reply
6 years ago
PatrickGSR94

The nutrition info appears to be a little off. Lilly’s milk chocolate bar has 12g fiber per serving, 2 servings per 3 ounce bar. 4 bars needed for this recipe. That would be 96g fiber just from the chocolate for the total recipe, or 8g fiber per serving, just from the chocolate. Am I wrong about this?

Vote Up0Vote Down  Reply
6 years ago
Julia

I calculate nutrition information based on the ingredients I actually use. In this case, I use my homemade milk chocolate recipe, as mentioned and linked to in the instructions. If you use something else, then the nutrition information will vary, as is usually the case with different brands.

Vote Up0Vote Down  Reply
6 years ago
PatrickGSR94

ah okay, I missed that part. Thanks!

Vote Up0Vote Down  Reply
6 years ago
Suzanne

I recently made these and they are so delish! The only problem was that the chocolate (I used Lilys) was so hard to bite into. Also it seems that these are a lot of carbs. The Lily’s label says 5 net carbs per serving – which is 18 servings per package. The peanut butter cups make 12 servings. It seems like it’s a lot more than 2 carbs per serving with the chocolate alone! Thanks Sue

Vote Up0Vote Down  Reply
6 years ago
Julia

Did you use Lily’s dark chocolate? If so, dark chocolate has less fat than milk chocolate and so will have more carbs and be less soft. I recommend using milk chocolate, as stated in the recipe.

Vote Up0Vote Down  Reply
6 years ago
crysta

Amazing.

Vote Up0Vote Down  Reply
7 years ago
Julia

Thanks Crysta!

Vote Up0Vote Down  Reply
7 years ago
Martha

I didn’t know that making homemade PB cups were so easy!

Vote Up0Vote Down  Reply
7 years ago

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