Squash Pie
["2 c. yellow squash, cooked", "1/2 c. Pet milk", "4 Tbsp. flour", "1/8 tsp. salt", "1 1/4 c. sugar", "3 egg yolks, beaten", "3 Tbsp. butter", "2 Tbsp. lemon juice", "1 (9-inch) baked pie crust", "3 egg whites (for meringue)"]
["Drain cooked squash and mash.", "Mix together sugar, egg yolks and flour, adding a little milk to make a smooth paste.", "Add remaining milk, squash, butter and lemon juice; cook until thick, stirring as needed.", "Pour into baked pie crust.", "Beat egg whites to make meringue, at room temperature, adding 4 tablespoons sugar as you beat.", "Put on pie and bake at 425\u00b0 until meringue is brown, about 5 to 8 minutes, depending on oven, checking often."]
["yellow squash", "Pet milk", "flour", "salt", "sugar", "egg yolks", "butter", "lemon juice", "crust", "egg whites"]