Accordion potatoes, sometimes called hasselback potatoes, are an elegant (and fun!) way to mix up your stuffed potato game. By making gentle slits in the potato flesh, you create the perfect holder for any number of flavour enhancers.
Per serving:
Preheat oven to 375 F (190 C). Line large baking sheet with parchment paper.
To make slits, working one at a time, place each potato in large wooden spoon or spoon rest. Slice potato vertically at 1/8 to 1/4 in (0.3 to 0.6 cm) intervals, being sure not to cut all the way through. Add potatoes to baking sheet and rub to coat with oil. In each slit, place alternating pieces of feta and onion (they donu2019t need to be perfect). Sprinkle with pepper and roast for 60 to 75 minutes, or until potatoes are tender.
To make pesto, in food processor, pulse garlic until minced. Add arugula and sunflower seeds; pulse until finely chopped. With machine running, drizzle in oil and lemon juice.
Serve potatoes warm and topped with pesto.