Quattro Formaggi (Four Cheese Pizza)

Name: Quattro Formaggi (Four Cheese Pizza)
Prep time: 15 min
Cook time: 20 min
Total time: 35 min
Cuisine: European, Italian, Mediterranean
Ingredients: 1 pizza dough (for 10-12 inch pizza); 1 tablespoon garlic oil; 1/2 small red onion, very thinly sliced; 2 ounces saga blue cheese, cubed; 2 ounces gruyere cheese, grated; 2 ounces mozzarella cheese, cubed; 2 tablespoons freshly grated parmesan cheese; 1 tablespoon chopped fresh thyme; black pepper