Chunky Gluten Free Apple Muffins

INGREDIENTS

1 1/2 cups

all purpose gluten free flour

3/4 tsp

xanthan gum (omit if your blend already contains it)

1 1/2 tsp

baking powder

1/4 tsp

baking soda

1/4 tsp

kosher salt

1 tsp

ground cinnamon

1/4 tsp

freshly grated nutmeg

1/2 cup

+ 2 tablespoons (125 g) granulated sugar

1 1/2 cups

peeled, cored, and diced apples (about 2 medium-size apples)

2 tsp

(6 g) cornstarch (or arrowroot)

tablespoons unsalted butter, melted and cooled

1 cup

sour cream or plain Greek yogurt , at room temperature

eggs (100 g, weighed out of shell) at room temperature, beaten

2 tsp

pure vanilla extract