Preheat oven to 400°; slice half of potatoes in ½ lengthwise, mix with 1 tbsp oil, salt/pep + fave spices; spread on sheet pan cut-side down; bake 15 min

Meanwhile, toss ½ of broccoli with 1 tbsp oil + salt/pep; after potatoes have baked 15 min, remove sheet pan, push potatoes to one side + add broccoli to empty side; roast veggies 10-12 min til tender + browned

Spread ¼ cup tzatziki onto pork tenderloin ; add to second sheet pan + roast 10-12 min til pork is warmed through

Divide all to plates; garnish with chopped parsley + serve each with 2 tbsp tzatziki