Slice kernels off cob from 2 ears of corn; heat 1 tbsp oil in skillet over med-high + sauté corn with salt/pep 2-4 min until tender; add to a bowl

Wash + roughly chop tomatoes, cilantro + ½ the onion; add to bowl with corn + salt/pep; toss to combine

Heat lightly oiled skillet over med-high, pat dry beef, add to pan in one layer + sear 2 min (for well done add 1 min); flip + cook 1 more min, season with salt/pep + fave seasonings

Stack 4 tortillas on a plate + wrap with a damp paper towel; microwave 15-30 sec or until warm + soft; divide meat + veggies to tacos