Tennessee Tea Cake Donuts

1 cup all-purpose flour
1 teaspoon fine sea salt
¼ teaspoon baking powder
1 cup dark brown sugar
½ cup unsalted butter, room temperature
1 tablespoon pure vanilla extract or 1 teaspoon vanilla paste
4 ounces cream cheese, softened at room temperature
¼ teaspoon apple cider vinegar
1 large egg

Preheat oven to 350 degrees.
Spray mini bundt pans or mini muffin pans and fill about 2/3 full.
Whisk together the flour, salt, baking powder. Set aside.
In a medium-sized saucepan, melt butter and brown sugar over med-low heat, whisking to combine.
Lower heat to very low and add cream cheese, whisking until smooth.
Remove from heat, add vinegar and vanilla. Allow to cool to room temperature.
Thoroughly whisk in the egg. Whisk in the dry ingredients.
Divide the mixture evenly among the prepared pans.
Bake at 350 degrees F for 12-15 minutes or until a toothpick inserted in the center comes out clean.
Cool completely and sprinkle with powdered sugar before serving.