Spicy Crab Dip Pasta Bake

Name: Spicy Crab Dip Pasta Bake
Ingredients: 8 ounces full-fat cream cheese; Oil or butter, for the baking dish; 2 medium shallots; 4 medium scallions; 1/2 to 1 medium Fresno chile; 5 to 6 cloves garlic; 4 1/2 ounces Parmesan cheese, finely grated (1 cup plus 2 tablespoons, or 1 cup plus 3 tablespoons store-bought); 1 pound lump crab meat; 1 large lemon; 1 pound dried short pasta, such as cavatappi, rigatoni, medium shells, or elbow macaroni; 1/4 cup plus 1 tablespoon olive oil, divided; 1 tablespoon Old Bay seasoning; 1 teaspoon kosher salt, plus more as needed; Freshly ground black pepper; 4 tablespoons (1/2 stick) unsalted butter; 1/4 cup all-purpose flour; 3 cups whole milk; 10 butter crackers, such as Ritz; For serving: lemon wedges and hot sauce