Easy Tuna Pot Pie
["1/2 pkg. pie crust mix", "1 (10 oz.) pkg. frozen mixed vegetables, thawed", "1 (10 3/4 oz.) can condensed cream of celery soup", "1 (10 3/4 oz.) can cream of asparagus soup", "1 (9 1/4 oz.) can tuna in water, drained", "1/2 (16 oz.) can whole potatoes, drained and cut into quarters", "1 small onion, finely chopped (about 1/4 c.)"]
["Heat oven to 425\u00b0.", "Prepare pie crust mix as directed on package for one crust pie.", "Shape pastry into flattened square on lightly floured cloth-covered surface.", "Roll pastry into 8-inch square.", "Cut small slits in pastry.", "Mix remaining ingredients. Pour into ungreased square baking dish, 8 x 8 x 2-inch.", "Cover with pastry.", "Bake about 35 minutes or until pastry is golden brown.", "Yields 6 servings."]
["pie crust", "frozen mixed vegetables", "condensed cream", "cream of asparagus soup", "tuna", "potatoes", "onion"]