Grilled Peanut Butter Banana

Section: Rise and Shine with Delicious Breakfast Recipes

This sandwich layers smooth peanut butter and ripe bananas between hearty slices of white bread, finished with a swipe of mayonnaise for a rich golden crust when grilled. The warmth of the skillet melts everything together, giving each bite contrast between crisp exterior and oozing center. No special equipment or exotic ingredients required—just classic pantry staples and a little time on the stove. Serve hot for the ultimate nostalgia trip, or customize with honey, cinnamon, or a different bread. Simple to prepare, deeply satisfying, and always comforting, it’s sure to become a favorite at any meal.

Luna chef wearing a white shirt.
Published By Luna
Updated as of Fri, 12 Sep 2025 16:25:15 GMT
A grilled peanut butter banana sandwich. Bookmark
A grilled peanut butter banana sandwich. | foodbymary.com

A grilled peanut butter banana sandwich transforms the childhood classic into a gooey satisfying meal with its crispy crust and melty filling My go to when I need five minutes of pure comfort it is quick hearty and packed with nostalgia every bite is golden on the outside and warm and sweet inside perfect for satisfying cravings or making snack time feel special

I first started making these sandwiches when my kids refused to eat their bananas plain Now we all look forward to sandwich night and never have leftovers

Ingredients

  • Thick white bread: makes a sturdier sandwich that grills up beautifully Choose a bakery loaf or Texas toast for best results
  • Mayonnaise: gives you a golden crispy crust on the outside Use fresh mayo for the brightest flavor
  • Smooth peanut butter: melts perfectly in the heat Go for natural peanut butter if you want a more robust roasted taste
  • Ripe banana: brings sweetness and creaminess Look for bananas with lots of brown spots to ensure the deepest flavor and best texture

Step-by-Step Instructions

Prep the Bread:
Spread a thin even layer of mayonnaise on one side of each slice of bread Make sure to cover the entire surface right to the edges to guarantee the bread toasts up crisp and golden
Add the Peanut Butter:
Turn the bread so the mayo side faces down Spread a generous layer of peanut butter on the plain side of each slice and try to go nearly edge to edge so every bite gets some creamy richness
Layer the Banana:
Slice the banana and arrange in a single layer on top of the peanut butter on two slices of bread Press the banana down a little so it stays put and will melt slightly as the sandwich grills
Assemble the Sandwiches:
Place the remaining two slices of bread on top peanut butter side facing the banana Mayo should now be on the outside on both top and bottom for perfect browning
Grill to Perfection:
Heat a nonstick skillet or griddle over medium high Once hot add the sandwiches mayo side down Cook for about two minutes or until the underside is golden brown and crispy and the kitchen starts to smell amazing
Flip and Finish:
Carefully flip the sandwiches and grill for another two minutes or so until crisp on both sides and the peanut butter is gooey Watch closely so you do not burn them and press down gently with the spatula for good contact with the pan
A stack of grilled peanut butter banana sandwiches. Bookmark
A stack of grilled peanut butter banana sandwiches. | foodbymary.com

One of my favorite memories is making these on lazy Sunday mornings when everyone in my family would come running once the scent hit the kitchen My favorite part is watching the peanut butter get perfectly melty and thick between the warm slices

Storage Tips

Let sandwiches cool fully before wrapping and refrigerating Leftovers are best in the first day but can be crisped back up by reheating in a skillet on low Store in foil for best texture

Ingredient Substitutions

Swap in sourdough or multigrain bread for extra texture Crunchy peanut butter works well if you love more bite If mayo is not your thing a thin smear of room temperature butter works too

Serving Suggestions

Serve sliced in half for dipping in honey or chocolate drizzle Pair with a glass of cold milk for a classic touch For a fun spin add a sprinkle of cinnamon or try a few chocolate chips before closing the sandwich to grill

A stack of grilled peanut butter banana sandwiches. Bookmark
A stack of grilled peanut butter banana sandwiches. | foodbymary.com

Cultural Context

This sandwich is a nod to American comfort food and Elvis Presley himself who made the PB and banana combo famous It is retro nostalgic and still feels special any time of day

Common Recipe Questions

→ Why add mayonnaise instead of butter before grilling?

Mayonnaise promotes even browning and a crispy crust, giving your sandwich rich texture without overpowering the fillings.

→ Can I use a different bread variety?

Thick white bread works best for structure, but sourdough, multigrain, or whole wheat offer delicious texture and flavor variations.

→ Is it possible to add other flavors to the sandwich?

Absolutely. Try honey, a dash of cinnamon, or chocolate chips sprinkled over the banana for an extra sweet touch.

→ How do I keep the sandwich from getting soggy?

Grill at medium-high heat and avoid using overripe bananas or excess filling for a crisp exterior without excess moisture.

→ Can this sandwich be prepared ahead of time?

It’s best served fresh off the skillet, but you can prep ingredients in advance and assemble right before grilling for the ideal texture.

Grilled Peanut Butter Banana

Hearty sandwich combines gooey peanut butter and sweet banana inside crisp, golden bread for comfort in every bite.

Prep Time
5 minutes
Cooking Time
5 minutes
Complete Time
10 minutes
Published By: Luna

Recipe Category: Breakfast

Skill Level: Beginner-Friendly

Cuisine Type: American

Total Portions: 2 Serves How Many (2 sandwiches)

Dietary Preferences: Vegetarian-Friendly, Dairy-Free

Required Ingredients

→ Main

01 4 slices thick white bread
02 2 tablespoons mayonnaise
03 3 tablespoons smooth peanut butter
04 1 ripe banana, sliced into rounds

Step-by-Step Instructions

Step 01

Spread a thin, even layer of mayonnaise on one side of each bread slice, ensuring it reaches the edges.

Step 02

Flip the bread slices and spread a generous layer of peanut butter on the un-mayed side, covering to the edges.

Step 03

Arrange banana slices in a single layer over the peanut butter on two of the bread slices, pressing gently so they adhere.

Step 04

Place a remaining slice of bread, peanut butter side down, on top of each banana-covered slice. The mayonnaise sides should face out.

Step 05

Heat a nonstick skillet or griddle over medium-high. Lay sandwiches mayonnaise side down in the pan and grill for about 2 minutes, until bread turns golden and crisp.

Step 06

Carefully flip each sandwich and continue grilling another 2 minutes, until both sides are golden and the peanut butter begins to melt.

Step 07

Remove sandwiches from the skillet, slice in half if desired, and serve immediately while warm.

Handy Cooking Tips

  1. For extra crispiness, spread mayonnaise edge to edge on each bread slice.
  2. Fully ripe bananas with brown spots provide the best sweetness and creamy texture.
  3. Sandwiches are best enjoyed hot, straight from the pan.

Necessary Kitchen Tools

  • Nonstick skillet or griddle
  • Spatula
  • Bread knife

Allergy Details

Always check ingredient packaging for potential allergens and consult a healthcare professional when in doubt.
  • Contains peanuts
  • Contains wheat
  • Contains eggs (from mayonnaise)

Nutritional Information (Per Serving)

These nutrition details are for guidance and don’t replace professional advice.
  • Calories: 478
  • Fat: 24 grams
  • Carbohydrates: 52 grams
  • Proteins: 13 grams