Easy Slow Cooker Chicken Pizzaiola with Peppers and Onions Tips, FAQ & printable recipe

Tips for success

For a deeper flavor, you can briefly sauté the onions and peppers in a pan with a touch of oil before adding them to the slow cooker, though this is optional. Adding a pinch of red pepper flakes can introduce a subtle heat that complements the sweetness of the bell peppers.

If you have fresh herbs like basil, add them just before serving to maintain their vibrant color and fresh aroma, as dried herbs are best suited for the long cooking process.

If you find the sauce is too thin at the end of the cooking time, you can remove the chicken and vegetables, then set the slow cooker to high and leave the lid off for 10 to 15 minutes to allow the sauce to reduce and thicken. Alternatively, stir in a small amount of cornstarch mixed with cold water and cook for a few minutes. This simple adjustment ensures your sauce has the perfect consistency to coat the chicken and vegetables beautifully.

Variations

• Spicy Pizzaiola: Add 1/2 teaspoon of crushed red pepper flakes or a sliced fresh jalapeño to the slow cooker along with the peppers and onions to give the dish a pleasant, spicy kick.
• Cheesy Pizzaiola: During the last 15 minutes of cooking, sprinkle 1/2 cup of shredded mozzarella cheese over the top of the chicken and vegetables, leaving the lid on until the cheese is melted and bubbly.

Storage and make-ahead

Fridge

Keep leftovers in an airtight container in the refrigerator for up to 3 days.

Freezer

Freeze in a freezer-safe container for up to 2 months. Thaw in the refrigerator before reheating.

Reheat

Reheat in a saucepan over low heat or in the microwave until the chicken reaches 165°F (74°C). Add a splash of water if the sauce becomes too thick.

Store any leftovers in an airtight container to maintain freshness and prevent the absorption of other refrigerator odors. Ensure the dish has cooled to room temperature before placing it in the fridge, but do not leave it out for more than two hours after cooking. Proper storage will keep the flavors intact for up to three days, making it a convenient option for quick meals later in the week without compromising on taste or quality.

You can prepare the ingredients in advance by slicing the vegetables and storing them in a container in the refrigerator. However, for the best texture and food safety, it is recommended to assemble the slow cooker insert right before you are ready to start the cooking process.

Avoid keeping raw chicken and other ingredients together in the slow cooker for too long before turning it on, as this can affect the quality and safety of the final meal.

Serving ideas

Serve this Chicken Pizzaiola warm, ideally accompanied by a side of crusty bread to soak up the delicious tomato sauce. It also pairs wonderfully with a simple bed of cooked pasta, such as penne or spaghetti, or even a side of roasted potatoes or creamy polenta to create a more substantial dinner.

The bright, savory flavors of the sauce make it versatile enough to go with a variety of side dishes, depending on your personal preference for the meal.

For a lighter serving option, a side of steamed green beans or a fresh green salad with a light vinaigrette provides a nice contrast to the richness of the chicken and tomato sauce.

The goal is to provide accompaniments that highlight the main dish without overpowering its simple, rustic appeal. Whether serving for a casual weeknight dinner or a relaxed weekend gathering, this chicken dish is sure to be a crowd-pleaser that is easy to prepare and even easier to enjoy.

Frequently asked questions

Recipe card

Easy Slow Cooker Chicken Pizzaiola with Peppers and Onions

Prep 10 minCook 4 hRest 5 minTotal 4 h 15 minServes 4

Ingredients

• 4 pieces boneless skinless chicken breasts
• 1 can (28 oz) crushed tomatoes
• 1 tsp dried oregano
• 2 cups sliced bell peppers (red and yellow)
• 1 medium yellow onion, sliced

Instructions

1. Place the boneless skinless chicken breasts into the bottom of the slow cooker insert. Ensure they are arranged in a single layer to allow for even cooking throughout the process.
2. Pour the crushed tomatoes over the chicken breasts. Sprinkle the dried oregano evenly over the top, then scatter the sliced peppers and onions over the entire mixture to cover.
3. Cover the slow cooker with its lid. Cook on low for 4 hours until the chicken is cooked through. Check that the chicken reaches an internal temperature of 165°F (74°C) to ensure it is safe to eat.
4. Once the chicken is fully cooked, turn off the slow cooker. Let the chicken rest for 5 minutes before serving. This allows the juices to redistribute through the meat, ensuring a tender result.

Estimated nutrition per serving

Calories

320

Protein

38 g

Carbohydrates

18 g

Fat

10 g

Fiber

4 g

Sugar

9 g

Sodium

450 mg

Automatic estimate from the ingredient list, not laboratory-verified.