bell peppers - 4 (large, straight, tops cut off and seeds removed)
olive oil - 3 tablespoons (preferably garlic or basil infused olive oil)
onion - 1 medium (chopped)
garlic - 2 tablespoons (chopped)
canned chopped tomatoes - 1 can (about 14 oz) (or fresh peeled tomatoes if available)
fresh thyme - 1 tablespoon (chopped)
zucchini - 1 medium (cut into small pieces)
yellow squash - 1 medium (cut into small pieces)
eggplant - 1 medium (cut into small pieces)
salt - watch the video to see (to taste)
black pepper - watch the video to see (to taste)
barley - 1 cup (quick-cooking barley)
chicken stock - 2 cups (or vegetable stock for vegan option)
butter - 1 tablespoon (optional, for barley)
gruyere cheese - about 1/2 cup grated (or Swiss or mozzarella, for topping)
fresh basil - 1 tablespoon (chopped, for mixing and garnish)
fresh parsley - 1 tablespoon (chopped, for garnish)
harissa sauce - to taste (optional, for mixing in barley or ratatouille)