Blueberry Streusel Pie
["2 c. flour", "1/4 c. sugar", "1/2 c. margarine", "1/2 c. milk", "1 egg, beaten"]
["Combine flour and sugar.", "Cut in margarine.", "Add milk and egg. Mix with fork until soft dough.", "Press into a 9 x 9 x 2-inch baking dish.", "Place 3 cups frozen blueberries over pastry."]
["flour", "sugar", "margarine", "milk", "egg"]