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A piece of chocolate banana bread being held by two fingers
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4.50 from 2 votes

Lazy Slow Cooker Peanut Butter Banana Bread

Slow cooker peanut butter banana bread is a super easy, delicious, fresh baked treat. Ripe bananas, peanut butter, eggs and boxed cake mix make for a wonderful goodie that is easy to whip up at any time.
Prep Time10 mins
Cook Time4 hrs
Total Time4 hrs 10 mins
Course: Breakfast, Dessert, Snack
Cuisine: American
Keyword: crockpot banana bread, easy peanut butter banana bread, slow cooker peanut butter banana bread
Servings: 12 servings
Calories: 265kcal


  • 3.5 quart slow cooker or larger
  • mixing bowl
  • fork or potato masher
  • measuring cup
  • mixing spoons
  • slow cooker liner/parchment paper (optional)


  • 3 ripe bananas
  • 3 eggs
  • ½ cup peanut butter
  • 1 box vanilla cake mix chocolate cake mix is a great option too!
  • non-stick cooking spray


  • if you choose to use a liner or parchment paper, add it to your slow cooker
  • spray liner or slow cooker itself with non-stick cooking spray
  • add bananas to bowl and mash with fork or potato masher until smooth
  • add eggs to bananas and mix until fully combined
  • add peanut butter and mix until fully combined
  • add cake mix and stir until fully combined and a batter-like consistency is reached
  • pour batter into slow cooker. make sure it is spread evenly throughout
  • cover and cook on high for 3-5 hours (this will vary by slow cooker)
  • check for doneness by inserting a wooden toothpick into the center of your banana bread. Bread is done when a toothpick comes out clean.
  • watch edges of banana bread carefully. If one side is becoming more done than the other, use pot holders to pick up ceramic insert and rotate 180°. This will help even-out cooking.
  • once fully cooked, remove ceramic pot and place on a heat safe surface. Allow to cool for 30-60 minutes or scoop out by the spoonful to serve warm.


Calories: 265kcal | Carbohydrates: 44g | Protein: 6g | Fat: 8g | Saturated Fat: 2g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 3g | Trans Fat: 1g | Cholesterol: 41mg | Sodium: 364mg | Potassium: 217mg | Fiber: 2g | Sugar: 23g | Vitamin A: 78IU | Vitamin C: 3mg | Calcium: 107mg | Iron: 1mg