Vegan 'Corned Beef' and Cabbage | PETA

Ingredients

• 1/2 Tbsp. canola oil
• 1 large onion, cut into wedges
• 1/2 medium head of cabbage
• 5 carrots, shredded
• 3 cups vegetable broth
• 1 Tbsp. English-style hot mustard
• 1/2 tsp. mild horseradish
• 1 Tbsp. white wine vinegar
• 8 oz. prepared seitan, sliced
• 1/2 tsp. salt
• 1/4 tsp. pepper
• 2 1/2 Tbsp. whole wheat flour
• 1/3 cup water
• 2 Tbsp. fresh parsley, chopped