The Best French Bread Pizza Recipe

Name: The Best French Bread Pizza Recipe
Cuisine: European, Italian, Mediterranean
Ingredients: 3 tablespoons butter; 4 tablespoons extra-virgin olive oil, divided; 4 cloves garlic, finely minced; pinch red pepper flakes; 1/2 teaspoon dried oregano; 1/4 cup minced fresh parsley or basil leaves, or a mix; Kosher salt; 1 large loaf French or Italian bread (see note), about 18 inches long and 4 inches wide, split half lengthwise and crosswise; 1 (14.5 ounce) can crushed tomatoes; 8 ounces freshly grated whole milk mozzarella cheese; 2 ounces grated Parmigiano-reggiano