Oatmeal and Chocolate Chip Trail Mix Vegan Muffins

all-purpose flour

light brown sugar, packed

old-fashioned whole-rolled oats (do not use quick-cook or instant)

cinnamon, or to taste

baking powder

salt, optional and to taste

raisins (I used a raisin medley; substitute with your favorite dried fruit OR with 1/3 cup of chopped nuts)

mini chocolate chips plus more for sprinkling tops (substitute with regular-sized chocolate chips or white chocolate, peanut butter chips, etc.)

milk (rice, soy, almond, cashew, cow, etc.)

liquid-state coconut oil (substitute with canola or vegetable oil)

vanilla extract