Butternut Squash and Spinach Enchiladas
Sauce:
2 tbsp extra virgin olive oil
1 yellow onion, small dice
2 cloves garlic, minced
½ tsp sea salt
½ tsp ground pepper
1 large can diced organic tomatoes
2 tsp unbleached all-purpose flour or 2 tsp arrowroot powder mixed with 2 tsp water