Chop up the green pepper, onion, garlic, and mushrooms.
Shave a cup of carrot.
Heat a little bit of olive oil in a pan, and saute all of the veggies until mushrooms are soft and onions are translucent.
Scoop the veggies into the food processor and let them cool for a few minutes.
Drain the black beans and throw them into the food processor as well.
Pulse it a little bit, but leave half of it chunky.
Put the veggies in a large bowl and add the cumin, mustard, Worchester, salt, and pepper.
Then add one egg and beef, and combine it well.
Then add the oat flour and get your hand up in there.
Form 8 patties and place them on the parchment paper.
Leave them in your refrigerator for about 30 minutes.
Preheat the grill.
Cook them for around 10 minutes on one side, and then flip them over on the other one and cook them for other 10 minutes.