Gluten Free Black Bean and Butternut Squash Chili

2 tablespoons olive oil

1 medium sweet onion, chopped

3 cloves garlic, minced

3 tablespoons gluten free chili powder

2 teaspoons cumin

2 1/2 cups butternut squash, cooked & cubed

2 (15 oz.) cans black beans, rinsed and drained

2-4 cups vegetable brot...