Puffy Oven Pancake(More Like A Popover Than A Pancake.)  
["2 Tbsp. butter or stick margarine", "2 large eggs", "1/2 c. all-purpose flour (Do not use self-rising flour)", "1/2 c. milk", "1/4 tsp. salt", "lemon juice and powdered sugar or cut up fruit, if desired"]
["Heat oven to 400\u00b0.", "Melt butter in pie plate, 9 x 1 1/4 inches, in oven:", "brush butter over bottom and side of pie plate."]
["butter", "eggs", "all-purpose", "milk", "salt", "lemon juice"]