Italian Sausage and Peppers Sandwich on the Big Green Egg

There are few things better than the scent of sausage and peppers cooking over an open flame. It evokes summer festivals, neighborhood cookouts, and late-night cravings. While the familiar sausage-and-peppers sandwich is always satisfying, this version takes it up a notch by using the Big Green Egg to add depth and smoky complexity.

The trick is low-and-slow heat control from the Big Green Egg to render fat, build a smoky crust on the sausage, and coax sweetness from the peppers and onions. Using high-quality sausage and a simple homemade pesto mayonnaise elevates the sandwich into something special: balanced, indulgent, and full of flavor.

Relax with a cold drink and follow along to make the Big Green Egg Italian Sausage and Peppers Sandwich—an ideal recipe for a weekend cookout or a memorable weeknight dinner.

Grilled Spicy Italian Sausage Sandwich

Step 1: Big Green Egg Setup

For this cook I use the MiniMax for its compact size and consistent heat control.

Set the Big Green Egg for direct grilling and preheat to 400°F. Stabilizing temperature before you start ensures even cooking of the sausages and reliable results with the cast iron.


Step 2: Prepping the Ingredients

While the Egg comes up to temperature, prepare the vegetables and seasoning.

Slice 1/2 red onion, 1 yellow bell pepper, and 1 red bell pepper. Toss them in a bowl with 1 tablespoon of olive oil and a pinch of coarse salt, black pepper, and garlic or your preferred seasoning blend until lightly coated. Let them sit while the grill preheats so the oil and seasonings begin to meld with the vegetables.

Sliced peppers and onions ready
Prepped vegetables

Step 3: Cooking the Peppers and Onions

A cast iron pan inside the Egg gives the vegetables a roasted flavor while keeping them tender and moist.

When the Egg is nearly at 400°F, place a 10.5″ cast iron pan inside to preheat. Carefully transfer the seasoned onion and pepper mixture into the hot pan when the temperature is stable.

Sauté for 5–10 minutes, stirring frequently, until the vegetables develop color and soften. Remove the pan and set the veggies aside while you grill the sausages.

Sauteed peppers and onions
Roasted vegetables in cast iron

Step 4: Grilling the Sausages

Now cook the sausage links over direct heat for a caramelized exterior and juicy interior.

Lightly oil the grill grate to prevent sticking, then place the sausage links on the grid. High-quality Italian-style sausage works best—look for a product with good marbling for flavor and moisture.

Grill for about 10 minutes, turning frequently to brown the sausages evenly. Remove them when they register around 135°F internal if you plan to finish them briefly in the cast iron with the vegetables; otherwise cook to your preferred doneness.

Grilling sausages
Sausages browning on the grill

Step 5: Toasting the Rolls

A sturdy, toasted roll keeps the sandwich from becoming soggy and adds an appealing crunch.

Spread softened butter on the inside and outside of the rolls. Place them directly on the grill and toast 1–2 minutes per side until golden. Remove and set aside.

Toasted rolls
Golden toasted buns
Toasted bread ready for assembly

Step 6: Assembly and Melting the Cheese

Bring the components together for a melty, savory finish.

Place the cooked sausages back into the cast iron pan and cover them with the sautéed peppers and onions. Lay several slices of provolone over the top to melt.

Sausage and peppers topped with provolone
Cheese starting to melt
Melting provolone over sausage

Step 7: Melting the Cheese

A few minutes back in the Egg finishes the sandwich beautifully.

Return the cast iron pan to the Big Green Egg for about 5 minutes, or until the provolone is melted and bubbly. Remove carefully when the cheese is fully melted.

Fully melted cheese
Sausage and peppers with melted cheese

Making the Pesto Mayonnaise

Prepare this simple sauce before you start grilling so flavors can meld.

In a small bowl combine 3 tablespoons of basil pesto with 2 tablespoons of mayonnaise. Stir until smooth. For a brighter note, add a squeeze of lemon juice or a pinch of garlic powder if desired. Chill until ready to use.

Pesto mayonnaise
Pesto mayo ready

Step 8: Final Assembly and Enjoying

Assemble the sandwich while everything is hot for the best texture and flavor.

Spread a generous layer of pesto mayonnaise on the inside of the toasted roll. Place the hot sausage(s) into the roll, mound the peppers and onions on top, and finish with any extra melted cheese. Serve immediately so the bread stays crisp and the filling is warm and gooey.

Finished sausage and peppers sandwich
Served sandwich
Close up of sandwich

Final Thoughts

This elevated sausage-and-peppers sandwich shows what controlled heat and simple additions can do. Roasting the peppers and onions in a cast iron pan adds caramelized sweetness while grilling the sausages on the Big Green Egg brings a smoky depth you can’t easily replicate on a stovetop.

The contrast of savory sausage, sweet roasted peppers, melted provolone, and bright pesto mayonnaise is what makes this sandwich memorable. It’s straightforward to prepare, feeds a small crowd, and is perfect for impressing friends at a backyard cookout or enjoying as a satisfying weeknight meal.

Big Green Egg Italian Sausage and Peppers Sandwich

A grilled twist on a classic: smoky sausage, roasted peppers and onions, melted provolone, and a simple pesto mayo on a toasted roll.

Prep Time: 10 minutes • Cook Time: 20 minutes • Total Time: 30 minutes • Servings: 2

Equipment

  • 1 cast iron pan (10.5″)

Ingredients

Sausage & Peppers

  • 1 package quality hot sausage links (or 8 oz)
  • 1/2 red onion, sliced
  • 1 red bell pepper, sliced
  • 1 yellow bell pepper, sliced
  • 1 Tbsp olive oil
  • Seasoning: salt, pepper, garlic or a preferred blend
  • 4 slices provolone cheese
  • 1 Tbsp softened butter
  • 2 rolls or sandwich buns

Pesto Mayonnaise

  • 3 Tbsp basil pesto
  • 2 Tbsp mayonnaise

Instructions

  1. Preheat the Big Green Egg to 400°F for direct grilling.
  2. Slice the onion and peppers, toss with olive oil and seasoning.
  3. Preheat a cast iron pan in the Egg, then add the vegetables and sauté 5–10 minutes until soft and slightly charred. Remove and set aside.
  4. Oil the grate lightly and grill the sausage links about 10 minutes, turning for even browning. Remove when done and rest briefly.
  5. Butter the rolls and toast them on the grill 1–2 minutes per side until golden.
  6. Place sausages in the cast iron pan, cover with the peppers and onions, and top with provolone. Return to the Egg until cheese melts, about 5 minutes.
  7. Mix the pesto and mayonnaise together until smooth. Spread on the toasted rolls.
  8. Assemble sandwiches with sausage, peppers, onions, and melted cheese. Serve hot.