Preheat oven to 450°; mix potatoes with 1 tbsp oil, salt/pep + half of seasoning packet, then spread on a sheet pan; roast 15-18 min until tender

Meanwhile, add form half the beef into 2 thin patties; heat 1 tbsp oil in skillet over med-high, add patties, season with salt/pep + cook undisturbed until bottoms brown, about 2 min; flip over + cook 2-4 min until cooked through

Wash + pat dry a handful of lettuce leaves; toast 2 buns until warm + golden

Spread buns with sauce then top with burgers + lettuce; serve burgers with roasted ranch potatoes