Gluten-free Apple Streusel Muffins

INGREDIENTS

2 cups

Apples

Egg

1/3 cup

All-purpose gluten-free flour blend, good

1/2 tsp

Allspice

1 tsp

Baking soda

2 cups

Brown sugar, packed

1 1/2 tsp

Cinnamon

2 1/4 cups

Gluten-free all-purpose flour blend, good

1/2 tsp

Salt

1 tsp

Vanilla extract, pure

1 tsp

Xanthan gum

5/8 cup

Butter

1 cup

Buttermilk