Green Vegetable Lasagna

WHAT YOU'LL NEED

• 1 Tbsp. (15 mL) oil
• 1 lb. (450 g) broccoli rabe trimmed, florets and leaves chopped
• 1 onion, chopped
• 1 1/2 cups (375 mL) water
• 3/4 cup (175 mL) 10% half and half cream
• 1 pouch Knorr® Cream of Leek Dry Soup Mix
• 4 ounces (113 g) cream cheese, cut into pieces
• 4 Tbsp. (60 mL) chopped basil leaves or other herb, divided
• 9 cooked lasagna noodles
• 2 cups (500 mL) thawed frozen green peas
• 2 ounces (60 g) shredded mozzarella cheese