1 medium butternut squash, peeled and sliced into ½ inch thick slices
4 Tbs. extra-virgin olive oil, or as needed
Salt and ground pepper to taste
1 yellow onion, chopped
3-5 garlic cloves, chopped
3 cups tomatoes, diced
Pinch of sugar
1-2 tsp minced fresh rosemary
Serve hot or at room temp.