Greek Feta Spinach Meatball Lettuce Cup

1     large red onion (diced)
1/2  tsp butter
1/2  tsp olive oil
2     cloves garlic (crushed)
1     package frozen chopped spinach
1     package frozen ground turkey (about a pound)
1     tsp oregano
6     ounce feta crumbled
1     tbsp grill mix seasoning (Mc Cormick steak seasoning)
1     head of butter or iceberg lettuce
For topping mix ingredients below
1     cucumber (diced)
1     large tomato (diced)
1/2  cup greek yogurt (plain)
1     clove garlic
3     tbsp flat leaf parsley (chopped)
1     tsp oregano
1     lemon juiced


Directions
In a fry pan sauté onion in the oil and butter till soft, let cool in pan. In a large bowl combine garlic, spinach, turkey, oregano, feta, and grill mix add cooked onions. Mix really well
Line cookie sheet with foil, spray with non stick. roll mixture into 2 1/2 to 3 inch meatballs and place on cookie sheet.
Bake in oven at 375 degrees about 30 min and golden brown

Serve over lettuce add desired topping