Ingredients:
- 1⁄2 cup olive oil
- 1 small yellow onion, roughly chopped
- 1 garlic clove, minced
- 1 (28-oz.) can whole peeled tomatoes, crushed by hand
- 1 tbsp. sugar
- Kosher salt and freshly ground black pepper
- 1 tbsp. unsalted butter
- 1⁄2 cup flour
- 3 eggs, lightly beaten
- 1⁄2 cup Italian breadcrumbs
- 6 tbsp. grated parmesan cheese
- 4 chicken breasts (about 1 1/2 lbs.)
- 8 oz. mozzarella cheese, thinly sliced and torn