Step 1

In a large pot of boiling salted water, cook pasta according to package instructions; drain well.

Step 2

Melt butter in a large skillet over medium high heat. Add garlic and shallot, and cook, stirring frequently, until fragrant, about 2 minutes.

Step 3

Whisk in flour until lightly browned, about 1 minute. Gradually whisk in milk, half and half and Dijon until slightly thickened, about 3-4 minutes. If the mixture is too thick, add more milk as needed; season with salt and pepper, to taste.

Step 4

Stir in pasta, broccoli and cheese until well combined, about 3-4 minutes.

Step 5

Serve immediately.