Adapted from a recipe from the Center for Urban Education about Sustainable Agriculture
1 tbsp olive oil
1 onion, chopped
2 cloves garlic, sliced
1 stalk celery, chopped
1 bulb fennel, top removed, and chopped (or 1 tsp fennel seed)
1 lemon, zested and juiced (or a couple tbsp apple cider vinegar)
¼ tsp chili flakes
2 tsp salt, or to taste
1 c brown rice
8 cups vegetable or chicken stock or water
½ bunch kale or other cooking greens
1 small butternut squash
3-4 ounces feta cheese, crumbled