Whisk together greek yogurt, milk, melted butter, egg, food color and vanilla extract in a bowl and combine well.
Mix for 5 mins until frothy. Now add oats to the whisked liquid mixture.
Meanwhile, preheat oven to 350F or 170C
Now sieve together flour, cinnamon powder, baking powder, baking soda, and salt in another bowl.
Fold in dry ingredients into the wet mixture.
Add more red food color if desired. Make sure you use organic food color to prserve the taste
Grease a muffin pan with butter and pour in batter. You can add chocolate chips on top if desired. Bake for 15 mins or until a toothpick inserted comes out clean.
For the frosting: Take 1/2 cup of mascarpone cheese, 1/2 cup heavy cream, 1 tsp vanilla extract and 2 tbsp sugar/jaggery powder/any sweetener and beat together with an electric whisk until fluffy.
Cool down the muffins on a wire rack once done. Pipe out the frosting on to muffins and serve!