Muffins: Heat oven to 375 degrees. Grease bottom and sides of 12 medium muffin cups, 2 1/2 x 1 1/4 inches, or line with paper baking cups. Mix oil, milk, eggs and pudding and pie filling with fork until well blended. Stir in baking mix, poppy seed and lemon peel; blend thoroughly. Divide batter equally among cups. Bake 25 to 30 minutes or until light golden brown. Cool 10 minutes; drizzle with Glaze. Glaze: Mix confectioners' sugar and lemon juice (actually, 3 to 4 teaspoons) until mixture is smooth. Use as directed above.