Dinner · Part 1 of 3: Ingredients
Easy Slow Cooker Chicken Pepperonata

- Prep
- Cook
- Total
- Serves
- 4
Master the art of hands-off cooking with this vibrant chicken pepperonata. By combining simple, fresh ingredients in a slow cooker, you achieve a depth of flavor that usually takes hours of stovetop simmering, all while keeping the chicken incredibly moist and tender throughout the entire cooking process.
This chicken pepperonata recipe is the definition of convenience without sacrificing quality. Utilizing the slow cooker allows the natural sweetness of the bell peppers and onions to meld perfectly with the acidity of the crushed tomatoes, creating a robust sauce that clings to the chicken.
It is an ideal meal for busy schedules, requiring only a few minutes of active preparation before letting the appliance work its magic, resulting in a satisfying dinner that feels like a home-cooked Italian feast.
Ingredients
Main Ingredients
- 4 pieces boneless skinless chicken breasts
Vegetables
- 3 cups sliced bell peppers
- 1 large onion, sliced
Seasonings
- 1 tbsp Italian seasoning
- 2 tsp minced garlic
Sauce
- 28 oz crushed tomatoes
Why this recipe works
The slow cooking method is essential here because it allows the tough connective tissues in the chicken breasts to break down gently in the acidic tomato environment. This process ensures the meat remains succulent rather than drying out, which is a common issue when cooking poultry at high temperatures for long durations. The low heat also coaxes the sugars out of the peppers and onions, intensifying their flavor profile significantly.
Furthermore, the layering technique is crucial for building complex flavors. By placing the chicken at the base, it absorbs the savory juices released by the vegetables and the tomatoes as they soften. This creates a natural braise that infuses the meat from the inside out.
Leaving the lid closed throughout the duration of the cooking cycle maintains a consistent environment, preventing moisture loss and ensuring the sauce develops the perfect consistency without needing additional thickening agents.
Notes and substitutions
When selecting ingredients, choose firm bell peppers that are vibrant in color to ensure the best sweetness and texture in the final dish. While the recipe calls for red and yellow peppers, green peppers can be used if a slightly sharper, more vegetal note is preferred.
The Italian seasoning blend is a convenient way to get a balanced mix of herbs, but ensure the dried herbs are not expired, as their potency significantly impacts the aromatic quality of the finished sauce.
Regarding equipment, any standard slow cooker will work, provided it has a capacity of at least four quarts to comfortably accommodate the chicken and vegetables. If using a smaller device, ensure the ingredients are not packed too tightly, as airflow is necessary for even heat distribution.
If you prefer a thicker sauce, you can remove the lid for the final thirty minutes of cooking to allow some of the excess moisture to evaporate, though this is entirely optional.
- Red and yellow bell peppers: Green bell peppers or sweet mini peppers work equally well for this braise.
- Italian seasoning: A mixture of equal parts dried oregano, basil, and thyme.
Equipment
- Slow cooker
- Measuring spoons
- Measuring cups
- Chef's knife
- Cutting board
Up next · Part 2 of 3
3 steps · 4 h of cooking · what to look for at each stage
Step-by-step instructions (Part 2)