Stuffed artichoke casserole

Name: Stuffed artichoke casserole
Cuisine: American
Ingredients: 3 cans French-cut green beans; 2 cans quartered artichoke hearts; 1 cup chopped onion (I like to use frozen so it’s a bit softer after cooking); 4 tablespoons minced garlic (measure this with your heart!); 2 cups Italian seasoned bread crumbs; 8 ounces grated Parmesan cheese (the powdery kind in the green container); 8 ounces shredded mozzarella cheese; Salt & pepper, to taste; Garlic powder, to taste; 1/2 cup olive oil