Vegan Portobello Cheesesteak Sandwiches

vegetable oil

large sweet onion, sliced into half-moons

garlic, minced

large Portobello mushrooms, sliced into thin strips

red bell pepper, sliced into thin strips

jalapeno pepper, sliced into thin rings, optional

sea salt

black pepper

onion powder

garlic powder

red pepper flakes, optional

sandwich rolls

Cashew Cheese Sauce