Layered Zucchini Ragu Bake

Ingredients

• 3 lb zucchini ( 9)
• 2.5 teaspoons salt 
• 2 lb baking potatoes 
• 1.5 lb ground beef 80% lean (at least )
• 2 cups onion chopped
• 0.3 cup wine dry red
• 1 cup canned tomatoes crushed undrained (from 28-oz can)
• 2 tablespoons tomato paste 
• 0.5 teaspoon pepper freshly ground
• 6 tablespoons butter 
• 6 tablespoons flour all-purpose
• 3 cups milk 
• 2 teaspoons rosemary leaves fresh chopped
• 4 cloves garlic finely chopped
• 8 oz parmesan shredded

Equipment

• frying pan
• paper towels
• sauce pan
• oven
• baking pan
• microwave
• glass baking pan

Directions

1. Heat oven to 425°F. Spray two 17x12-inch half-sheet pans with cooking spray.
2. Place zucchini in single layer in pans.
3. Sprinkle with 1/2 teaspoon of the salt.
4. Bake 20 minutes or until almost tender. Reduce oven temperature to 375°F.
5. Meanwhile, pierce potatoes with fork.
6. Place potatoes on microwavable paper towel in microwave oven. Microwave uncovered on High 6 minutes or until partially cooked. Cool 10 minutes. Peel and thinly slice potatoes; set aside.
7. In 12-inch nonstick skillet, cook beef and onions over medium heat 8 to 10 minutes, stirring occasionally, until beef is thoroughly cooked; drain. Stir in wine, tomatoes, tomato paste, 1 teaspoon salt and 1/4 teaspoon of the pepper.
8. Heat to boiling; reduce heat to low. Simmer uncovered 7 minutes, stirring occasionally, until most of liquid is absorbed.
9. In 2-quart saucepan, melt butter over medium-low heat. Stir in flour and remaining 1 teaspoon salt and 1/4 teaspoon pepper. Cook, stirring constantly, until mixture is smooth and bubbly. Gradually add milk, stirring constantly, until mixture boils and thickens. Stir in rosemary and garlic.
10. Spray 13x9-inch (3-quart) glass baking dish with cooking spray.
11. Spread half of the meat sauce in baking dish. Top with potato slices.
12. Place half of the zucchini slices over potatoes; sprinkle with 1/2 cup of the cheese. Repeat layers with remaining meat sauce, remaining zucchini and 1/2 cup cheese.
13. Pour white sauce over top.
14. Sprinkle with remaining 1 cup cheese.
15. Bake uncovered 45 to 55 minutes or until top is golden brown.
16. Let stand 10 minutes before serving.