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Slow Cooker Chicken Spaghetti with Rotel

This slow cooker chicken spaghetti with Rotel is a set-it-and-forget-it dinner that delivers creamy, cheesy comfort with a spicy kick. You'll toss everything in the pot in the morning and come home to a rich, satisfying meal that tastes like you fussed for hours—perfect for busy weeknights.
Prep Time 15 minutes
Cook Time 8 hours
Total Time 8 hours 15 minutes
Course Main Course
Cuisine American, Mexican
Servings 6 servings
Calories 620 kcal

Ingredients
  

  • 1/4 cup 60 ml chicken broth or water
  • 2 boneless chicken breasts
  • 1/2 cup 80 g diced yellow onion
  • Salt and pepper to taste
  • 10 oz 283 g can Rotel diced tomatoes with green chilies
  • 2 cans 10.75 oz / 305 g each cream of chicken soup
  • 2 cups 230 g Mexican blend cheese, divided
  • 12 oz 340 g spaghetti, cooked and drained

Instructions
 

  • Pour chicken broth into the slow cooker.
  • Add chicken breasts and diced onion; season with salt and pepper.
  • Pour Rotel tomatoes over the chicken.
  • Add cream of chicken soup and stir gently to combine.
  • Cover and cook on LOW for 7-8 hours or HIGH for 4-5 hours until chicken is tender.
  • Remove chicken, shred with forks, and return to the slow cooker.
  • Stir in 1 cup of cheese until melted.
  • Add cooked spaghetti and mix until coated.
  • Top with remaining cheese, cover, and cook on HIGH for 15 minutes until melted.

Notes

  • Choose Rotel heat level to taste; original is spicier, mild is gentler.
  • Cook pasta al dente—it softens during the final melt.
  • Use fresh onion, not powder, for texture and sweetness.
  • Melt cheese on HIGH for even melting without clumps.
  • Store leftovers in the fridge for up to 3 days; reheat with a splash of broth.