6 tablespoons olive oil 2 red bell peppers, cut into thin slices 1/2 orange and 1/2 yellow bell peppers cut into thin slices 1 1/2 pounds portobello mushrooms, stems removed cut into 1/4-inch slices 1 teaspoon salt 1 pound store-bought or homemade pizza dough I used the recipe on this site for pizza huts dough….