Preheat oven to 400; place 2 large foil pieces on a sheet pan + oil the foil; divide cod + roughly chopped olives to the foil; add half the butter to each + season with salt/pep; fold empty side of foil over fish; working at one end, crimp edges of foil to seal in a half-moon shape

Bake 10-12 min until fish is firm, opaque + cooked through

Meanwhile, wash pepper, cut off stem + discard seeds, then cut into bite-size pieces; heat 1 tsp oil in skillet over med-high, add peppers to pan, season with salt/pep + sauté 4-5 min or until tender

Stack 4 tortillas on a plate + wrap with a damp paper towel; microwave 15-30 sec or until warm + soft; divide peppers + fish to tortillas-Yum!