Pasta with Shrimp & Vegetable Ribbons

WHAT YOU'LL NEED

• 2 carrots, ends trimmed
• 2 small zucchini or yellow squash, ends trimmed
• 2 Tbsp. margarine, divided
• 1 lb. (450 g) uncooked medium shrimp, peeled and deveined
• 1 1/2 cups (375 mL) milk
• 1 package Knorr® Creamy Garlic Pasta Sauce Mix
• 2 1/2 cups (625 mL) water
• 8 ounces (227 g) spaghetti