Baked Squash Mac and Cheese.

Bahan-bahan (8 porsi)

• 4 -6 small acorn squash or pie pumpkins
• 2 tablespoons olive oil
• kosher salt + pepper
• 4 slices thin prosciutto
• 4 slices sourdough bread (pulsed into fine crumbs)
• 1 tablespoon chopped fresh sage
• 6 tablespoons butter
• 1 small sweet onion (thinly sliced)
• 1/4 cup all-purpose flour
• 1 pound short cut pasta
• 3 cups whole milk
• 1 1/2 cups shredded white cheddar cheese
• 1 1/2 cups shredded gruyere cheese
• 1 1/2 cups shredded provolone cheese
• 2 teaspoons dijon mustard
• 1/2 teaspoon cayenne pepper (more or less to taste)