Spinach Balls

Name: Spinach Balls
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Cuisine: American
Ingredients: 3 eggs (beaten); 10 ounces frozen chopped spinach (thawed and drained well (283 grams)); 6 tablespoons butter (melted (84.75 grams)); 1 teaspoon garlic powder; 1/2 tablespoon black pepper; 1/4 teaspoon ground thyme; 1/2 teaspoon salt; 1 1/2 cups Italian seasoned breadcrumbs (see note (168 grams)); 1 cup Parmesan cheese (grated (100 grams)); 1/2 yellow onion (diced very small)