Step 1

Preheat oven to 350 degrees. Spray a 9 x 5-inch loaf pan with cooking spray.

Step 2

Heat olive oil in a sauté pan over medium-high heat. Add onion and reduce heat to medium-low. Cook 4-5 minutes or until beginning to soften. Transfer 2/3 of the onion to a bowl to cool.

Step 3

Mix in half the garlic.

Step 4

Add spinach to sauté pan and cook briefly for any remaining moisture to evaporate.

Step 5

Let cool slightly then stir in sun-dried tomatoes, feta cheese and salt and black pepper to taste. Add egg white and set aside.

Step 6

To bowl with onions, add whole egg, breadcrumbs, milk, 2 tablespoons tomato sauce, basil, oregano, parsley, 1 teaspoon salt, black pepper and remaining 2 cloves minced garlic and mix well.

Step 7

Mix in ground turkey or chicken.

Step 8

Place 2/3 of the meat mixture in the loaf pan, creating a small well down the center.

Step 9

Mound spinach mixture in the well. Top with remaining ground turkey.

Step 10

Bake for 50-55 minutes or until a thermometer inserted in the center registers 165 degrees. Top with tomato sauce after 30 minutes, then bake to completion.

Step 11

Let rest 5-8 minutes before slicing.