Gluten Free Yellow Cake with Chocolate Fudge Frosting

INGREDIENTS

1/2 cup

Vegetable

Egg yolks

Eggs ****see note, whole

1 1/2 tsp

Baking powder

1/2 tsp

Baking soda

12 oz

Chocolate

325 g

Gluten-free flour *see note

400 g

Granulated sugar

1 lb

Powdered sugar

1 tsp

Salt

3 tsp

Vanilla

1 1/2 tsp

Xanthan gum

1 cup

Butter

1 1/4 cups

Buttermilk **see note

2 tbsp

Milk or cream

1/4 cup

Water

¼ cup cocoa powder (dark or dutch processed if you have it)