Sourdough cinnamon swirl coffee cake ❤️

Batter:

1 stick butter, melted

1/2 cup packed brown sugar

1/2 cup white sugar

2 eggs

2 teaspoons vanilla

150 grams sourdough starter discard

1 cup milk

1 teaspoon salt

2 teaspoons baking powder

2 cups flour

Filling:

1/3 cup packed brown sugar

1/3 cup flour

2 teaspoons cinnamon

Instructions:

For the batter:

1. Combine the melted butter and both sugars until well mixed.

2. Add the sourdough starter discard, eggs, milk, and vanilla, mixing thoroughly.

3. Incorporate the salt, baking powder, and flour into the mixture until combined.

For the filling:

4. Mix together the brown sugar, flour, and cinnamon.

To assemble:

5. Pour half of the batter into a baking dish.

6. Spread the filling mixture evenly over the batter.

7. Add the remaining batter on top of the filling.

8. Use a butter knife to swirl the batter and filling together.

Baking:

9. Bake at 350°F (175°C) for 30-40 minutes, or until a toothpick inserted into the center comes out clean.

Optional icing:

1/2 cup powdered sugar

A few tablespoons half and half

1 teaspoon vanilla

Mix the powdered sugar, half and half, and vanilla until smooth, then drizzle over the cooled cake.