Microwave 2 potatoes on high for 6-8 min, flipping potatoes halfway through cook time, carefully scoop out flesh; mash potatoes with ¼ cup hot water (or milk), 2-4 tbsp butter + salt/pep; lightly spread to bottom of bowls

Wipe mushrooms, remove stems + scoop out gills; thinly slice, heat 1 tbsp oil in a skillet over med-high + sauté 3-4 min til tender; add salt/pep; add on top of potatoes

Wash + dry 2 poblanos, slice in half lengthwise + discard seeds; dice; heat 1 tbsp oil in skillet over medium; sauté + salt/pep 5-7 min til softened; add to bowls

Drain + rinse beans; add to pan + heat for 2-3 min til hot; add to top mashed potatoes