Jacque'S Soup

Ingredients

• 1 Tbsp. virgin olive oil
• 1/2 Tbsp. unsalted butter
• 1 leek (about 3 oz.), clean and cut 1/2-inch pieces
• 1 medium onion, peeled and coarsely chopped
• 2 carrots, peeled and cut into 1/2-inch pieces
• 1 c. vermicelli pasta
• 1 zucchini (4 oz.), trim and cut into 3/4-inch pieces
• 4 mushrooms, coarsely chopped (1 c.)
• 1 sweet yam (6 oz.), peel and cut into 1/2-inch pieces
• 7 c. water
• 1 tsp. salt
• 1/4 tsp. ground black pepper