Pennsylvania Dutch Potato Pancakes
["2 medium-sized potatoes, peeled", "1 Tbsp. lemon juice", "1/2 c. melted butter or margarine", "2 Tbsp. flour", "1/4 c. finely chopped onion", "1 large egg, beaten", "1/2 tsp. salt", "1/4 tsp. pepper", "1/4 tsp. baking powder", "vegetable (as needed)"]
["Grate potatoes into a large bowl; toss with lemon juice, coating thoroughly.", "Let stand 5 minutes; drain well.", "Add melted butter, flour, onions, egg, salt, pepper and baking powder.", "Stir to mix well."]
["potatoes", "lemon juice", "butter", "flour", "onion", "egg", "salt", "pepper", "baking powder", "vegetable"]