Preheat oven to 400° and line a baking sheet with parchment paper. In a large bowl toss together squash and olive oil. Season generously with salt, pepper, and red pepper flakes.
In a shallow bowl mix together panko, parmesan, and parsley. One at a time dip squash into panko mixture, pressing to coat then place on prepared baking sheet.
Bake until golden and crispy, 30 minutes, flipping halfway through. Meanwhile make dipping sauce: In a small bowl, stir together sour cream, lemon juice, and parsley. Season with salt and pepper. Serve chips with dipping sauce.
Recipe by 5* trending recipes with videos at https://food.theffeed.com/2019/01/13/parmesan-squash-chips/