FIESTA CHEESE DIP

⅓ C        Onion, diced
1 tsp       Olive oil
2             Med tomatoes,seeded & chopped
1 Tbsp    Chopped green chiles
1 Pkg      Frozen spinach, thawed & chopped
                and well drained (10 oz)
1C            Monterey Jack cheese (4 oz) grated
1C            Chihuahua cheese (4 oz)grated
1 Pkg       Cream cheese (8 oz)
1 Can       Black olives, (2.25 oz) sliced & drained
Corn tortilla chips
Sour Cream (optional, garnish)
Green Onion, sliced (optional, garnish)

Preheat oven to 400°F.  Cook onion in olive oil in medium skillet over medium-high heat 5 minutes or until tender. Add tomato and chiles; cook 2 minutes. Transfer mixture to a large bowl; add spinach, cheeses and olives, stirring well.
Spoon mixture into a buttered 2-quart baking dish. Bake, uncovered, for 30 to 35 minutes or until golden and bubbly. Serve warm with tortilla chips. Garnish with sour cream and sliced green onion (optional).