Caramelized Onion and Portobello Mushroom Sliders with Fry Sauce

Sliders

medium sweet Vidalia onion or yellow onion, peeled and sliced

to 3 tablespoons olive oil, divided

sliced baby portobello mushrooms

diced Vlasic Farmer’s Garden Bread and Butter Chip pickles

pickle juice

slider buns (use vegan bread, try this or this)

Fry Sauce

ketchup

mayo (or Miracle Whip, use vegan mayo to keep vegan)

about 3 teaspoons pickle juice, or to taste

onion powder, optional and to taste