Easy Cheeseburger Quiche

Ingredients (14)

• ✓ 1 tablespoon oil
• + 1 large onion, chopped add to pantry
• ✓ 1 pound ground beef
• + 1 teaspoon meat seasoning, or to taste add to pantry
• + 1 pinch garlic powder, or to taste add to pantry
• + 1 pinch herbes de Provence, or to taste add to pantry
• + salt and ground black pepper to taste add to pantry
• + salt and ground black pepper to taste add to pantry
• ✓ 4 eggs
• + ½ cup skim milk add to pantry
• + ½ cup mayonnaise add to pantry
• + 2 tablespoons all purpose flour add to pantry
• + 1 ¼ cups shredded sharp Cheddar cheese add to pantry
• + 1 pastry for a 9-inch deep dish pie crust add to pantry