Add one tablespoon of flower, cook, stirring, for about 5 minutes, or until the flour starts to color, remove from heat. Grate 1 clove of garlic into roux, and stir to combine. Add a teaspoon of paprika and stir again to combine. Add 2 ladles full of cooking liquid and stir to combine, then add the roux to the potato cabbage mixture and stir to combine.