grilled garden vegetables with spinach dip

Ingredients For grilled garden vegetables with spinach dip

• 1 lg

  green pepper, cut into chunks
• 1 pkg

  fresh mushrooms
• 1 lg

  red pepper, cut into chunks
• 1 lg

  red onion, cut into wedges
• 1 md

  zucchini, cut into 1/2" rounds
• 1 md

  yellow squash, cut into 1/2" rounds
• salt and pepper
• olive oil
• garlic powder
• DIP INGREDIENTS
• 1 pkg

  frozen spinach, thawed and squeezed dry (fresh chopped works great, too!)
• 1 c

  mayonnaise
• 1 c

  sour cream
• 1 can

  water chestnuts, drained
• 1 pkg

  knorr soup mix, vegetable
• 1/2 c

  grated onion