Peanut Butter Cake is pure peanut-butter heaven — soft, moist, nostalgic, and unbelievably comforting. Whether you’re craving the classic version, following keto, or keeping sugar low for diabetic needs, there’s a delicious option for everyone!

Serves: 12
Prep: 20 mins • Cook: 30 mins • Total: 50 mins

⭐ 1️⃣ Classic Peanut Butter Cake

Ingredients

Cake

• 1 ¼ cup powdered peanut butter
• 1 ¾ cup all-purpose or GF 1:1 flour
• 1 tbsp baking powder
• ½ tsp baking soda
• ½ tsp kosher salt
• ½ cup packed light brown sugar
• ¾ cup granulated sugar
• 1 cup vegetable oil (or softened butter)
• 2 ½ tsp vanilla extract
• 3 eggs
• 1 cup unsweetened yogurt
• ⅓ cup milk (or pea/oat milk)

Frosting

• 1 cup butter, room temp
• 1 ½ cup creamy peanut butter
• 1 ½ tsp vanilla
• 4–5 cups powdered sugar
• 2–4 tbsp heavy cream

Instructions

1. Preheat oven to 350°F (175°C). Grease two 8-inch cake pans.
2. Mix flour, powdered peanut butter, baking powder, baking soda, and salt.
3. In another bowl whisk sugars, oil, eggs, vanilla, yogurt, and milk.
4. Combine wet + dry and mix until smooth.
5. Pour batter into pans and bake 28–32 mins. Cool completely.
6. Beat butter + peanut butter + vanilla. Slowly add powdered sugar and cream.
7. Frost the cake and enjoy!

Nutrition (per slice)

Approx.: 360–390 calories, 20g fat, 42g carbs, 4g fiber, 26g sugar, 6g protein.

✨ Classic-Friendly Version

• Rich, nostalgic peanut butter flavor
• Soft, moist texture everyone loves
• Great for celebrations and family gatherings
• Easy ingredients and beginner-friendly

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⭐ 2️⃣ Keto (Low-Carb, Sugar-Free) Peanut Butter Cake

Ingredients

Cake

• 1 cup powdered peanut butter (no added sugar)
• 1 ¾ cup almond flour
• ¼ cup coconut flour
• 1 tbsp baking powder
• ½ tsp baking soda
• ½ tsp salt
• ½ cup allulose or erythritol
• ¾ cup powdered monk fruit
• 1 cup melted butter or avocado oil
• 3 eggs
• 2 ½ tsp vanilla
• 1 cup Greek yogurt (unsweetened, full-fat)
• ⅓ cup unsweetened almond milk

Frosting

• 1 cup butter
• 1 cup creamy natural peanut butter
• 1 tsp vanilla
• 1 ½–2 cups powdered monk fruit
• 1–3 tbsp heavy cream

Instructions

Same as classic — just avoid over-mixing almond flour.

Nutrition (per slice)

Approx.: 270–300 calories, 24g fat, 6–8g net carbs, 3g sugar, 10g protein.

✨ Keto-Friendly Version

• Low-carb and sugar-free
• Helps maintain steady energy without sugar crashes
• Perfect for people following keto or low-carb lifestyles
• Higher in healthy fats, keeps you full longer

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⭐ 3️⃣ Diabetic-Friendly Peanut Butter Cake (Low Sugar, Balanced Carbs)

Ingredients

Cake

• 1 ¼ cup unsweetened powdered peanut butter
• 1 ¾ cup whole-wheat pastry flour or all-purpose with 50% oat flour
• 1 tbsp baking powder
• ½ tsp baking soda
• ½ tsp salt
• ½ cup brown sugar substitute (Swerve Brown)
• ½ cup granulated sugar substitute (Allulose/Monk Fruit)
• ¾ cup oil
• 3 eggs
• 2 ½ tsp vanilla
• 1 cup low-fat Greek yogurt
• ⅓ cup low-fat milk or unsweetened almond milk

Frosting

• ½ cup butter
• 1 cup peanut butter (no sugar)
• 1 tsp vanilla
• 1–2 cups powdered sweetener
• 1–2 tbsp milk

Instructions

Same as classic.

Nutrition (per slice)

Approx.: 230–260 calories, 14g fat, 18–22g carbs, 2–3g sugar, 8g protein.
(Made to reduce spikes while keeping flavor.)

✨ Diabetic-Friendly Version

• Low sugar and balanced carbs to prevent spikes
• Uses healthier flours and sweeteners
• More protein and fiber for better blood sugar control
• A guilt-free treat for diabetic or weight-loss goals

⭐ Final Thoughts

This Peanut Butter Cake proves that comfort desserts can fit every lifestyle. Whether you choose the classic, the keto, or the diabetic-friendly version, each slice delivers rich peanut-buttery flavor and soft, tender texture that feels warm and nostalgic. It’s a recipe designed for everyone — families, health-conscious eaters, and peanut-butter lovers alike.

No matter which version you make, you’ll enjoy a delicious, satisfying treat that’s easy to prepare and even easier to love. If you want more recipes like this, express something or send me a ⭐️ — it truly makes me happy and motivates me to create more for you.