Set aside. As squash roasts, heat a skillet over medium heat. Add butter and melt. Add onions and cook, stirring, until caramelized, about 25 minutes. Place individual flatbreads on a baking sheet ...
I started by prepping my butternut squash. Instead of pre-cut cubes ... The recipe calls for two sliced yellow onions. I added them to a large, oven-safe skillet with 2 tablespoons of butter.