8 oz. sm. shell pasta, cooked as directed
2 tbsp. butter
2 tbsp. flour
1 1/2 c. milk
2 1/2 c. grated cheddar cheese, divided
2 oz. ham, cut into chunks or strips
1/2 c. scallions

Heat oven to 350 degrees. In small saucepan melt butter over medium heat and add flour. Cook, stirring, 2 minutes. Add milk and cook, stirring until thickened. Add 1 cup of cheese. Combine cheese sauce with cooked shells, 1 cup of cheese, ham, and scallion. Place in casserole dish. Top with extra cheese. Bake until browned and bubbly, about 10 minutes. Serves 2-4.