Twice-Baked Spaghetti Squash and Cheese | Food Stuff

Ingredients

• 5 tablespoons (70 grams) butter, divided
• 2 tablespoons all-purpose flour
• 1/4 teaspoon ground pepper
• 1 teaspoon mustard powder
• 1/2 cup (70 grams) onion, finely chopped
• 1 cup (70 grams) panko bread crumbs
• 1 teaspoon salt
• 8 ounces (225 grams) sharp cheddar cheese, shredded
• 2 medium spaghetti squash, halved lengthwise and seeds removed
• 2 cups (475 ml) milk (can use skim, 1%, 2% or whole)