Homestyle Baked Beans (vegan)

1 tablespoon olive oil
1 cup onions, diced
2 garlic cloves, minced
1 (30g) can mixed beans, do not drain
1/2 cup tomatoes, crushed (canned or fresh)
2 tablespoons pure maple syrup or barley malt syrup
1 tablespoon soy sauce
1 tablespoon mustard

1. Preheat oven to 350°.
2. Heat oil; sauté onions and garlic.
3. Mix all ingredients together and place in a casserole dish.
4. Cover and bake for 25-30 minutes.