Flounder With Spinach and Feta

From a recipe card in the market. Sounds tasty but I haven't made it yet.

• Ready In: 21 mins
• Serves: 2-4

Ingredients

• 1  lb flounder fillets, skinless
• 4  garlic cloves, minced
• 4  tablespoons olive oil
• 3  cups fresh mushrooms, sliced
• 1 1⁄2 teaspoons  dried Italian seasoning, crushed
• 8  cups fresh spinach
• 1⁄4 cup feta, crumbled, 1 oz
• 1⁄2 cup  fresh tomatoes, chopped (optional)
•  salt
•  pepper

Directions

1. Preheat oven to 450 degrees F.
2. Lightly coat 2 quart baking dish with nonstick cooking spray. Sprinkle fillets with salt and pepper to taste.
3. If fillets are thick, place in a single layer in the baking dish, tucking under any thin edges. If using thin fillets, arrange evenly in baking dish, overlapping as necessary.
4. In a large skillet, cook garlic in hot oil for 15 seconds. Add mushrooms and Italian seasoning. Cook and stir until mushrooms are tender.
5. Stir in spinach and cook and stir until just wilted.
6. Spoon this spinach mixture down the center of the of the fish in the baking pan. Cover with foil.
7. Bake until fish flakes with a fork (about 6-8 minutes per 1/2 inch of thickness).
8. Transfer fish and vegetables to a serving platter and sprinkle with feta cheese.
9. Top with tomato if desired.