Bring a large pot of salted water to a boil. Add the bowtie pasta and cook according to package directions.
During the last 2–3 minutes of cooking, add the broccoli florets to the same pot. Drain and set aside.
Heat olive oil in a large skillet over medium-high heat.
Season the chicken with salt, pepper, paprika, and red pepper flakes.
Add the chicken to the skillet and cook for 5–7 minutes, turning occasionally, until golden brown and fully cooked.
Reduce the heat to medium and add the butter to the skillet.
Once melted, stir in the garlic and cook for about 30 seconds until fragrant.
Add the lemon zest, lemon juice, Dijon mustard, dried parsley, and thyme. Stir well to create the sauce.
Add the drained pasta and broccoli to the skillet.
Toss everything together until evenly coated in the flavorful sauce.
Stir in the Parmesan cheese and fresh parsley.
Serve immediately and enjoy this delicious Cowboy Butter Lemon Bowtie Chicken with Broccoli while warm.