spicy macaroni and cheese with sausage

Ingredients

• 1 small onion, chopped
• 1 clove garlic, grated or minced
• 1 tablespoon jarred jalapeno slices, minced
• 1/2 teaspoon coriander
• 1 teaspoon cumin
• 1 1/2 tablespoons grapeseed oil (or other oil)
• 1 1/2 tablespoons flour
• 3/4 cup half and half
• 1 cup milk
• 1 medium head cauliflower, separated into florets
• 1/8 teaspoon cayenne pepper, or to taste
• 6 ounces smoked turkey sausage, sliced
• 1/2 pound pasta of choice
• 6 ounces velveeta cheese, cubed
• 1 tablespoon panko bread crumbs
• 1 tablespoon grated parmesan cheese