Grilled Vegetable Stuffed Peppers

Name: Grilled Vegetable Stuffed Peppers
Ingredients: 6 cubanelle peppers, washed and dried; 6 baby bella mushrooms, cleaned and chopped into ½-inch cubes; 2 medium zucchini, chopped into ½-inch cubes; 1 cup crusty sourdough, chopped into ½-inch cubes; 1/2 cup Sir Kensington’s Classic Mayonnaise, plus more for coating peppers; 2 garlic cloves, roughly chopped; 1/4 cup tomato paste; 1/2 teaspoon kosher salt; 1/2 teaspoon red pepper flakes; 1/2 teaspoon freshly ground black pepper; 1 (4-ounce) block low-moisture mozzarella cheese, cut into 6 cubes