Thyme Dumplings - to top a slow cooker casserole

1 cup flour
2 tsp baking powder
1 tsp dried thyme
25g butter
approx 1/2 cup milk

Combine flour, baking powder and thyme. Melt butter and mix into flour. Add milk until a soft dough is formed. Roll mixture into balls and drop onto top of casserole. Do this about 1/2 an hour before the casserole is ready.