Shrimp Pizza - cooking recipe

Ingredients

1 tablespoon butter
4 1/2 teaspoons all-purpose flour
1/4 - 1/2 teaspoon ground mustard
1/8 - 1/4 teaspoon cayenne pepper
1/8 teaspoon salt
1 cup 2% low-fat milk
1 small onion, chopped
1 lb uncooked medium shrimp, peeled and deveined
1 Boboli whole wheat pizza crust (14 oz.)
3/4 cup shredded part-skim mozzarella cheese
nonstick cooking spray

Preparation

For white sauce,in a small nonstick saucepan, melt butter. Stir in flour,mustard,cayenne and salt until smooth;gradually add milk. Bring to a boil;cook and stir for 2 minutes until thickened. Remove from the heat; set aside.
In a large nonstick skillet coated with non stick cooking spray,cook onion over medium heat for 2 minutes. Add shrimp;cook and stir 2-3 minutes longer. Drain.
Place crust on a pizza pan or bakng sheet;spread with white sauce. Top with shrimp mixture and cheese. Bake at 425 for 8-12 minutes or until shrimp turns pink and cheese is melted.