Spinach Balls

2 pkg. frozen spinach, thawed and drained
1 stick butter, softened
2 c. stuffing mix
1 tsp. garlic salt
1/2 c. grated parmesan
1 sm. onion, grated
1 tbsp. olive oil
8 oz. feta cheese

Combine all ingredients. Form into 1-2 inch balls and bake for 20 minutes at 350 on a lightly greased cookie sheet.