Preheat oven to 400° F + line a sheet pan with foil; add fish to pan, drizzle with oil, salt/pep + spread on 2-4 tbsp pesto; bake 8-12 min until firm, opaque + cooked through

Add half the potatoes to a large microwave-safe bowl, cover + microwave 3 min; stir potatoes, cover + microwave 2-4 min, then rest 2-3 min; mix in salt/pep + 1 tbsp oil

Chop broccoli in 1-inch pieces + heat 1 tbsp oil in skillet over med-high; cook with salt/pep 2-3 min, add ½ cup water, cover + steam 3 min

Cut fish in half + serve