Butternut Squash and Steak Quesadillas With Red Cabbage Slaw

Name: Butternut Squash and Steak Quesadillas With Red Cabbage Slaw
Ingredients: 1 small butternut squash (about 1½ pounds)—peeled, seeded, and thinly sliced; 4 tablespoons plus 1 teaspoon olive oil; Kosher salt and black pepper; 1/4 head small red cabbage, thinly sliced; 1/4 cup roasted pepitas; 1/2 jalapeño, chopped; 2 tablespoons fresh lime juice; 2 strip steaks (1 inch thick; about 1 pound total); 2 teapoons chili powder; 4 ounces sharp Cheddar, grated (about 1 cup); 4 10-inch flour tortillas