Vegan burger with sweet potato and side salad

For the burger
-the patty:
one cup cooked black beans
half onion
2 garlic cloves
half cup bread crumbs
pinch of salt
pinch of black pepper
one tbsp oil

2 buns (any kind you prefer)
sweet chili sauce
sliced red onion
sliced tomatoes
sliced pickles

For the sweet potatoes
2 medium peeled and cubed sweet potatoes
one tbsp vegan butter
2 cups water
pinch of cinnamon
pinch of salt
pinch of brown sugar

For the side salad
Handful spinach
one tomato
one sliced onion
Balsamic dressing