Add 1/2 tsp of almond extract. 2. Mix lemon zest into the batter for a subtle bright flavor. 3. Drizzle with a simple vanilla glaze! Whisk together 85g (3/4 cup) powdered sugar with 56g (1/4 cup) heavy cream and top on the muffins warm from the oven. Or make a lemon glaze made with 85g (3/4 cup) powdered sugar and 1 1/2 tbsp lemon juice.