Chess Pie
["4 eggs", "1/2 stick butter", "2 Tbsp. flour (rounded)", "1/2 c. milk", "2 c. brown sugar", "1 Tbsp. vinegar"]
["Cook in crust for 30 to 40 minutes in moderate 350\u00b0 oven."]
["eggs", "butter", "flour", "milk", "brown sugar", "vinegar"]