Add boneless skinless chicken thighs to slow cooker with garlic paste, Worcestershire sauce, Dijon mustard, onion powder, garlic powder, salt, black pepper, and smoked paprika
Add 2 diced yellow onions to slow cooker
Cook on High for 3-4 hours or Low for 4-5 hours
Toss frozen broccoli on a sheet pan with olive oil and salt
Bake broccoli at 450°F for approximately 20 minutes
Mix broccoli and switch to broil until browned (5-10 minutes)
Shred the cooked chicken using tongs
Cook pasta to 50% of the time shown on the box
Blend cottage cheese, extra sharp cheddar cheese, American cheese, nutritional yeast, and whole milk together to make the cheese sauce
Season cheese sauce with salt and pepper to taste
Pour half cooked pasta into the slow cooker with shredded chicken
Pour the high protein cheese sauce over the pasta and chicken
Add roasted broccoli and mix until fully combined
Cover and let cook for another 15-20 minutes to finish cooking the pasta
Serve and enjoy
