1. Preheat oven to 375°F.
2. Top or fill muffins with desired options and bake according to package instructions.
3. Bake, cool and frost.
Top-Sprinkle with either poppy seed, a streusel, or nuts before baking.
Fill-Make and indent in batter and fill with either lemon curd, flavored cream cheese, jelly or jam before baking.
Glaze or Frost- Use a lemon or almond glaze or frost with your favorite butter or cream cheese frosting.