| 1/4 cup and 2 tablespoons butter, divided 2 onions, chopped 1 large portobello mushrooms, sliced 1-1/2 cups sliced mushrooms 1/4 medium head cabbage, | thinly sliced 1 (32 ounce) jar sauerkraut, drained and pressed 1/2 teaspoon white sugar 1/2 teaspoon dried thyme salt and pepper to taste |