CHEF RV’s CALAMANSI MUFFINS

CALAMANSI MUFFINS
2 ¼ cup all-purpose flour
¾ cup white sugar
2 tsp. baking powder
1 tsp. baking soda
240 grams whipping cream
1 whole egg
120 grams salted butter
120 grams fresh milk
grated zest from 20 pcs calamansi

juice of 20 pcs calamansi
water, as needed
white sugar, as needed