Carrot and Leek Soup with Mint | Nakano Flavors

Ingredients

• 2 Tbsp. butter
• 2 tsp. whole brown or yellow mustard seeds
• 1½ lbs. carrots, thinly sliced
• 2 large leeks, thinly sliced
• ¾ tsp. salt
• 6 cups water, cold
• ¼ cup NAKANO® Roasted Garlic Seasoned Rice Vinegar
• ½ to 2 tsp. serrano chili peppers, minced, optional
• ? cup packed mint leaves, finely chopped
• black pepper, freshly ground