Hot Spinach Artichoke Dip

1 small onion, finely chopped

2 packages (10 ounces each) frozen chopped spinach, thawed and squeezed dry

1 package (8 ounces) fat free cream cheese, cubed

1 cup (8 ounces) reduced fat sour cream

1 can (14 ounces) water packed artichoke hearts, drained and chopped

3/4 cup grated Parmesan cheese

1/4 tsp salt

1/8 tsp pepper

1/8 to 1/4 tsp crushed red pepper flakes

1/4 cup shredded reduced fat cheddar cheese

Assorted reduced fat melba toast or pita chips

In a large skillet coated with non-stick cooking spray, cook and stir onion until tender.  Add spinach; cook and stir over medium heat until heated through.  Reduce heat to low; stir in cream cheese and sour cream.  Add the artichoke hearts, Parmesan cheese, salt, pepper and red pepper flakes; cook for 1-2 minutes or until heated through. 

Transfer to an ungreased 1.5 qt microwave safe dish; sprinkle with cheddar cheese.  Cover and microwave on high for 2-3 minutes or intil cheese is melted.  Serve warm with melba toast or pita chips.  Yield:18 servings.