This peanut butter loaf is a delightful treat that combines the rich, creamy flavor of peanut butter with a moist, tender crumb. Perfect for breakfast, a snack, or even dessert, this loaf is sure to become a favorite in your household. It's simple to make and requires just a few basic ingredients.
Most of the ingredients for this peanut butter loaf are common pantry staples. However, if you don't usually keep peanut butter or all-purpose flour on hand, you'll need to pick those up at the supermarket. Make sure to get baking powder as well, which is essential for the loaf to rise properly.

Ingredients for Peanut Butter Loaf
Peanut butter: Provides the rich, nutty flavor and creamy texture that defines this loaf.
Sugar: Adds sweetness and helps to create a tender crumb.
Eggs: Bind the ingredients together and add moisture.
Milk: Adds moisture and helps to create a smooth batter.
All-purpose flour: Forms the base of the loaf, providing structure.
Baking powder: Helps the loaf rise and become fluffy.
Salt: Enhances the flavors and balances the sweetness.
Technique Tip for Making Peanut Butter Loaf
When incorporating the eggs into the peanut butter and sugar mixture, ensure that each egg is fully integrated before adding the next. This helps to create a smoother batter and ensures even distribution of the ingredients. Additionally, when combining the dry ingredients with the wet ingredients, mix until just combined to avoid overworking the gluten in the flour, which can result in a denser loaf.
Suggested Side Dishes
Alternative Ingredients
peanut butter - Substitute with almond butter: Almond butter has a similar texture and nutty flavor, making it a great alternative for those with peanut allergies.
peanut butter - Substitute with sunflower seed butter: Sunflower seed butter is a nut-free option that provides a similar creamy consistency and a slightly different but pleasant taste.
sugar - Substitute with honey: Honey adds natural sweetness and moisture, though it may slightly alter the flavor and texture of the loaf.
sugar - Substitute with maple syrup: Maple syrup offers a rich, unique sweetness and can be used in a slightly reduced quantity to maintain the loaf's consistency.
eggs - Substitute with flax eggs: Mix 1 tablespoon of ground flaxseed with 3 tablespoons of water per egg. This mixture works as a binding agent and is suitable for vegan diets.
eggs - Substitute with applesauce: Use ¼ cup of applesauce per egg. It adds moisture and a slight sweetness, making it a good option for a denser loaf.
milk - Substitute with almond milk: Almond milk is a dairy-free alternative that maintains the liquid consistency needed for the recipe.
milk - Substitute with oat milk: Oat milk is another dairy-free option that provides a creamy texture and neutral flavor.
all-purpose flour - Substitute with whole wheat flour: Whole wheat flour adds a denser texture and a slightly nutty flavor, along with more fiber.
all-purpose flour - Substitute with gluten-free flour blend: A gluten-free flour blend is essential for those with gluten intolerance or celiac disease, and it can mimic the texture of all-purpose flour.
baking powder - Substitute with baking soda and cream of tartar: Use ¼ teaspoon of baking soda and ½ teaspoon of cream of tartar to replace 1 teaspoon of baking powder.
salt - Substitute with sea salt: Sea salt can be used in the same quantity and provides a slightly different mineral content and flavor profile.
salt - Substitute with kosher salt: Kosher salt has larger crystals and a milder flavor, so use slightly more to achieve the same level of saltiness.
Alternative Recipes Similar to Peanut Butter Loaf
How to Store or Freeze Your Peanut Butter Loaf
- To keep your peanut butter loaf fresh, wrap it tightly in plastic wrap or aluminum foil. This will help maintain its moisture and prevent it from drying out.
- Store the wrapped loaf in an airtight container or a resealable plastic bag. This extra layer of protection ensures that your loaf stays fresh for up to 3-4 days at room temperature.
- If you prefer to refrigerate, place the wrapped loaf in the fridge. This can extend its freshness for up to a week. Just remember to bring it to room temperature before serving for the best texture and flavor.
- For longer storage, freezing is an excellent option. First, wrap the peanut butter loaf tightly in plastic wrap, then cover it with a layer of aluminum foil. This double wrapping helps prevent freezer burn.
- Place the wrapped loaf in a freezer-safe bag or container. Label it with the date to keep track of its freshness. The loaf can be frozen for up to 3 months.
- When you're ready to enjoy your frozen peanut butter loaf, thaw it in the refrigerator overnight. For a quicker option, you can let it sit at room temperature for a few hours.
- To refresh the loaf after thawing, you can warm it in a preheated oven at 300°F (150°C) for about 10-15 minutes. This will help restore its freshly baked texture and aroma.
- If you prefer to freeze individual slices, cut the loaf into desired portions before wrapping each slice in plastic wrap. Place the wrapped slices in a freezer-safe bag or container. This method allows you to thaw and enjoy one slice at a time without defrosting the entire loaf.
How to Reheat Leftovers
Oven Method:
- Preheat your oven to 300°F (150°C).
- Wrap the peanut butter loaf in aluminum foil to prevent it from drying out.
- Place the wrapped loaf on a baking sheet.
- Heat in the oven for about 10-15 minutes, or until warmed through.
- Remove from the oven and let it sit for a few minutes before unwrapping and serving.
Microwave Method:
- Slice the peanut butter loaf into individual servings.
- Place a slice on a microwave-safe plate.
- Cover with a damp paper towel to retain moisture.
- Microwave on medium power for 20-30 seconds, checking to ensure it’s heated through.
- Let it sit for a minute before enjoying.
Toaster Oven Method:
- Preheat your toaster oven to 300°F (150°C).
- Place slices of the peanut butter loaf on a baking tray.
- Cover loosely with aluminum foil.
- Heat for about 10 minutes, or until the slices are warmed through.
- Remove from the toaster oven and let cool slightly before serving.
Steaming Method:
- Set up a steamer pot with water and bring it to a gentle simmer.
- Wrap the peanut butter loaf in parchment paper and then in aluminum foil.
- Place the wrapped loaf in the steamer basket.
- Steam for about 10-15 minutes, or until heated through.
- Carefully remove from the steamer, unwrap, and let it cool slightly before serving.
Essential Tools for Making Peanut Butter Loaf
Oven: Used to bake the loaf at the specified temperature of 350°F (175°C).
Loaf pan: The container in which the batter is poured and baked to form the loaf shape.
Mixing bowl: A large bowl used to combine the peanut butter and sugar, and later to mix all the ingredients together.
Whisk: Used to blend the peanut butter and sugar until smooth and to whisk together the dry ingredients.
Spatula: Handy for scraping down the sides of the mixing bowl and for smoothing the top of the batter in the loaf pan.
Measuring cups: Essential for accurately measuring the peanut butter, sugar, milk, and flour.
Measuring spoons: Used to measure the baking powder and salt precisely.
Toothpick: Used to check if the loaf is fully baked by inserting it into the center and seeing if it comes out clean.
Wire rack: Used to cool the loaf completely after it has been removed from the loaf pan.
How to Save Time on Making This Recipe
Pre-measure ingredients: Measure out all ingredients before starting to save time during the mixing process.
Use a stand mixer: A stand mixer can speed up the process of combining peanut butter, sugar, and eggs.
Room temperature ingredients: Ensure eggs and milk are at room temperature for easier mixing.
One-bowl method: Combine dry ingredients in a large bowl first, then add wet ingredients to save on cleanup time.
Quick cooling: After baking, place the loaf on a wire rack to cool faster.

Peanut Butter Loaf
Ingredients
Main Ingredients
- 1 cup Peanut butter
- 1 cup Sugar
- 2 Eggs large
- 1 cup Milk
- 2 cups Flour all-purpose
- 1 teaspoon Baking powder
- 0.5 teaspoon Salt
Instructions
- Preheat your oven to 350°F (175°C). Grease a loaf pan.
- In a mixing bowl, whisk together the peanut butter and sugar until smooth.
- Add the eggs one at a time, beating well after each addition.
- Stir in the milk until well combined.
- In another bowl, whisk together the flour, baking powder, and salt.
- Gradually add the dry ingredients to the wet ingredients, mixing until just combined.
- Pour the batter into the prepared loaf pan and smooth the top.
- Bake for 45 minutes, or until a toothpick inserted into the center comes out clean.
- Let the loaf cool in the pan for 10 minutes, then transfer to a wire rack to cool completely.
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