Preheat oven to 400 F. Line a large baking sheet with parchment paper.
In a bowl, toss squash and garlic with oil, maple syrup and season with salt and pepper.
Spread on baking sheet and roast in the oven for 20 mins. Add sage and place back in the oven and roast for an additional 10 mins.
Bring a large pot of water to a boil. Add perogies and cook stirring occasionally for 6 mins. Add to a large mixing bowl and toss with squash. Serve warm.