Crispy Grilled Peanut Butter Banana Delight

By: Susan Updated on Thu, 03 Jul 2025 12:53:04 GMT Breakfast & Brunch

Tags: #peanut-butter #banana #grilled #vegetarian #quick

Crispy grilled peanut butter banana sandwiches stacked on a plate Pin it
Crispy grilled peanut butter banana sandwiches stacked on a plate

Crispy Grilled Peanut Butter Banana Delight is the kind of sweet skillet sandwich that fixes breakfast, snack time, or a late dessert craving without making a mess of the kitchen. The outside turns shattery and golden while the peanut butter softens around warm banana slices.

The small trick is using a thin layer of mayonnaise on the outside of the bread. It browns evenly and gives the sandwich a clean crunch without tasting heavy. Use a ripe banana with a few spots and the filling gets soft, sweet, and almost custardy.

Bread, Banana, Peanut Butter

Use ingredients that can handle quick heat. Soft bread crisps fast, ripe banana turns tender, and creamy peanut butter melts into the slices instead of tearing the sandwich apart.

Natural peanut butter works too, but stir it well first. If the oil is separated, the filling can feel greasy and the bread may slide when you flip it.

  • Soft sandwich bread. Gives the sandwich a tender middle and a crisp grilled shell.
  • Creamy peanut butter. Melts into the banana and holds the filling together.
  • Ripe banana. Adds sweetness and becomes soft and warm in the skillet.
  • Mayonnaise. Coats the outside so the bread browns evenly and turns crunchy.
  • Cinnamon. Adds a warm bakery note without making the sandwich too sweet.
  • Flaky salt. Balances the banana and peanut butter with a tiny salty finish.

Make Crispy Grilled Peanut Butter Banana Delight

  1. Coat the bread. Spread a thin, even layer of mayonnaise on one side of each bread slice. This will be the outside of the sandwich.
  2. Add peanut butter. Flip the slices over and spread peanut butter on the dry side, going close to the edges so every bite has filling.
  3. Layer the banana. Arrange thin banana coins over two peanut-buttered slices. Sprinkle with cinnamon if you like a warmer flavor.
  4. Close the sandwiches. Top with the remaining bread slices, peanut butter side down, keeping the mayonnaise on the outside.
  5. Grill until crisp. Cook in a nonstick skillet over medium heat for 2-3 minutes per side until deep golden and hot in the center.
  6. Rest and slice. Wait one minute, then cut and finish with a few grains of flaky salt if using.
Crispy Grilled Peanut Butter Banana Delight
Crispy Grilled Peanut Butter Banana Delight

Why Mayo Makes It Crunchy

Mayonnaise sounds odd until you try it. It spreads thinly, reaches the corners without tearing soft bread, and helps the surface brown in a steady way. You are not trying to taste mayo here. You are using it as a crust maker.

Keep the layer thin. A heavy swipe can make the bread feel oily instead of crisp. Medium heat is the sweet spot because the bread needs enough time to toast while the peanut butter warms through. If the pan is too hot, the outside darkens before the banana softens.

If you like this style of skillet snack, the original Grilled Peanut Butter Banana is a good simple version to keep around. For something in the same sweet-grilled family, try Honey Banana Grilled Cheese Delight.

Choosing The Right Banana

A banana with a few brown freckles is ideal. It is sweet enough to soften quickly, but it still holds its shape when you slice it. A green banana tastes flat and stays firm. A very soft banana can turn watery in the pan and push the peanut butter out of the sandwich.

Slice the banana thin, about 1/4 inch thick. Thick pieces make the sandwich bulky and harder to brown evenly. Thin coins warm fast and tuck neatly into the peanut butter. For a little more texture, use chunky peanut butter or add a small handful of chopped roasted peanuts.

Peanuts are one of the major food allergens listed by the FDA food allergy guide, so label this clearly if you are serving guests.

Smart Swaps That Work

The base recipe is flexible. Almond butter or cashew butter can replace peanut butter if you need a different flavor. Sunflower seed butter works for many peanut-free kitchens, though it tastes a little earthier. If you switch spreads, use one that is thick enough to hold the banana in place.

For bread, brioche makes it dessert-like and soft. Sourdough adds a tangy edge and a sturdier chew. Gluten-free sandwich bread can work, but toast it gently and flip with care because some loaves are more fragile.

If you want a cooler breakfast option with the same flavor pairing, Easy Peanut Butter Banana Chia Pudding uses the same creamy banana-peanut combination in a spoonable form. For dessert, Irresistible Peanut Butter Chocolate Delight leans richer and more chocolatey.

Serving And Storing

Serve the sandwich hot, while the bread still crackles when you cut it. Coffee, cold milk, or a small bowl of berries all fit well. For kids, slice each sandwich into sticks so the filling stays easier to manage.

Leftovers can be wrapped and refrigerated, but this is one of those recipes that is best fresh from the skillet. If you do save one, reheat it in a dry skillet or toaster oven until the outside crisps again. The microwave warms the center fast, but it softens the crust.

For general leftover timing, the USDA leftover safety guide recommends refrigerating perishable foods promptly. With this sandwich, I would eat refrigerated leftovers within one day for the best texture.

Crispy Grilled Peanut Butter Banana Delight
Crispy Grilled Peanut Butter Banana Delight

FAQs

Can I use butter instead of mayonnaise on the outside?

Yes. Butter gives a richer flavor, while mayonnaise gives a crisper and more even crust. If you use butter, keep the heat closer to medium so the bread browns before the filling gets too hot.

What bread works best for this sandwich?

Soft white sandwich bread gives the most classic crisp edge and gooey middle. Brioche tastes richer, sourdough adds chew, and whole wheat works if the slices are not too dry or thin.

Can I make Crispy Grilled Peanut Butter Banana Delight vegan?

Yes. Use vegan sandwich bread and egg-free mayonnaise. Most peanut butter is already vegan, but check the label if that matters for your kitchen.

How do I stop the filling from leaking out?

Spread peanut butter all the way to the edges and keep the banana slices in a single layer. Let the sandwich rest for one minute after grilling before you cut it, so the filling settles instead of sliding out.

Can I make it ahead?

You can assemble the sandwiches a few hours ahead and refrigerate them wrapped tightly. Grill right before serving for the best crust. Cooked leftovers are safe to chill, but the texture is best the day you make them.

What can I add to the filling?

A pinch of cinnamon, a tiny drizzle of honey, or a few mini chocolate chips all work. Keep add-ins light because too much filling makes the sandwich harder to flip and less crisp.

References

Sources cited in this recipe.

Crispy Grilled Peanut Butter Banana Delight

Prep time:
5 min
Cook time:
5 min
Total time:
10 min
Servings:
2
Crispy grilled peanut butter banana sandwiches stacked on a plate
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A hot, crispy grilled peanut butter banana sandwich with gooey filling and golden bread, ready in about 10 minutes.

Ingredients

  • For the sandwiches

Instructions

1.

1. Coat the bread: Spread a thin, even layer of mayonnaise on one side of each bread slice. Place the slices mayo-side down on a board.

2.

2. Spread the peanut butter: Spread 1 tablespoon peanut butter on the dry side of each bread slice, reaching close to the edges.

3.

3. Layer the banana: Arrange the banana slices over two of the peanut-buttered slices in a single layer. Sprinkle lightly with cinnamon if using.

4.

4. Close the sandwiches: Top with the remaining bread slices, peanut butter side down, so the mayonnaise is on the outside of each sandwich.

5.

5. Grill until golden: Heat a nonstick skillet or griddle over medium heat. Cook the sandwiches for 2-3 minutes per side until the bread is crisp and golden and the filling is warm.

6.

6. Rest and serve: Let the sandwiches rest for 1 minute, then slice. Finish with a tiny pinch of flaky salt if desired and serve warm.

Good to know

  1. Best served right after grilling while the bread is crisp.
  2. Use a ripe banana with a few brown spots for the sweetest filling.

Equipment

  • Nonstick skillet or griddle
  • Spatula
  • Butter knife
  • Sharp knife

Allergens

Always check labels if you have allergies.
  • Peanuts
  • Wheat
  • Eggs

Nutrition facts

Values are estimates per serving.
  • Calories: 490
  • Fat: 29 g
  • Carbs: 55 g
  • Protein: 13 g