01 -
Set oven temperature to 350°F (175°C).
02 -
In a large skillet over medium-high heat, cook sliced smoked sausage for 5 to 7 minutes until browned.
03 -
Add butter to the skillet and sauté diced onion for 3 to 4 minutes until softened, then add minced garlic and cook for 30 seconds until fragrant.
04 -
Stir in cream cheese until fully melted, then gradually whisk in heavy whipping cream for 3 to 5 minutes until the mixture is smooth and creamy.
05 -
Add shredded cheddar cheese to the sauce, stirring until completely melted and uniform.
06 -
In a large bowl, mix steamed cauliflower, broccoli, and sautéed sausage; pour cheese sauce over and gently toss to coat evenly.
07 -
Transfer mixture to a baking dish and bake for 15 to 20 minutes until bubbly and golden brown on top.