balsamic glazed butternut squash fries. 1 tbsp olive oil 1/4c balsamic vinegar 1t garlic powder 1/2t basil s&p to taste slice squash into fries, add mix. Shake to coat. Let marinade sit for 20 mins, place on lined cookie sheet. With your grill on a medium setting, cook for 25-30 minutes, flipping every so often to avoid burning.