Latin Green Bean Casserole

WHAT YOU'LL NEED

• 1 Tbsp. PLUS 1 tsp. oil, divided
• 1/4 cup pumpkin seeds
• 1/2 tsp. Knorr® Tomato Bouillon with Chicken flavor
• 1/4 tsp. chipotle chile powder
• 1 medium onion, halved and thinly sliced
• 1 lb. green beans, trimmed
• 1/2 cup water
• 2 tsp. Knorr® Chicken flavor Bouillon
• 1 tsp. lemon juice
• 1 tsp. finely grated lemon peel