Squash Pie
["1 egg yolk", "3/4 c. sugar", "1 Tbsp. butter", "1 1/2 c. steamed squash, mashed", "3/4 c. rich milk or half and half", "1/2 tsp. salt", "1 Tbsp. cornstarch", "1/2 tsp. vanilla"]
["Beat egg yolk well.", "Add sugar, butter, squash, milk, salt and cornstarch.", "Mix together and add vanilla.", "Over medium heat, bring mixture to a complete boil.", "Pour into baked pie crust. Spoon meringue on top and bake at 400\u00b0 for 10 minutes, until brown."]
["egg yolk", "sugar", "butter", "steamed squash", "milk", "salt", "cornstarch", "vanilla"]