Next add the ricotta cheese, lemon zest, lemon juice, vegetable oil, sugar, egg, vanilla extract, butter and flour. Mix well but leave a few lumps for fluffier pancakes.
½ cup ricotta cheese, 1 tablespoon grated lemon zest, 2 tablespoons lemon juice, 1 tablespoon vegetable oil, 2 tablespoon granulated sugar, 1 egg, ⅛ teaspoon vanilla extract, 2 tablespoons butter, 1 cup self-rising flour