I used only 1 3/4 tsp baking powder for the above qty. I used same qty of light brown sugar, instead of white sugar, for the cake batter. I used only 1/4 tsp cinnamon in streusel topping.
You will get 12 muffins from the above qty. It can be stored at room temp for 2-3 days in an airtight container.
To see the measurements in grams, please click here