Slow Cooker Lemon Zucchini Chicken Thighs with Summer Squash

Description

These Slow Cooker Lemon Zucchini Chicken Thighs with Summer Squash are juicy, bright, garlicky, and packed with fresh summer flavor. Tender chicken thighs slowly cook in a savory lemon-herb sauce with garlic and onions before fresh zucchini and yellow summer squash are added toward the end so they stay tender without turning mushy. A combination of lemon juice, zest, oregano, thyme, and a touch of butter creates a light but flavorful sauce that coats every bite. This easy crockpot dinner is perfect for busy summer evenings when you want comforting food without spending hours in the kitchen. Serve it with rice, orzo, couscous, mashed potatoes, or crusty bread to soak up the delicious lemon-garlic juices.

Ingredients For the Chicken

• 6 boneless, skinless chicken thighs
• 1½ tbsp extra-virgin olive oil
• 1 tsp garlic powder
• 1 tsp dried oregano
• ½ tsp onion powder
• ½ tsp smoked paprika
• ½ tsp dried thyme
• ¾ tsp salt
• ½ tsp freshly ground black pepper

For the Lemon Garlic Sauce

• ¾ cup low-sodium chicken broth
• 4 garlic cloves, finely minced
• 3 tbsp fresh lemon juice
• 1 tsp finely grated lemon zest
• 2 tbsp unsalted butter, melted
• 1 tbsp Dijon mustard
• 1 tsp honey, optional
• 1 tsp dried oregano
• ½ tsp dried thyme
• ¼ tsp crushed red pepper flakes, optional

For the Vegetables

• 2 medium zucchini, cut into thick half-moons
• 2 medium yellow summer squash, cut into thick half-moons
• 1 medium yellow onion, sliced
• 1 cup cherry tomatoes, optional

For Finishing

• 2 tbsp fresh parsley, chopped
• 2 tbsp fresh basil, chopped
• Fresh lemon slices or wedges
• Freshly ground black pepper
• Crumbled feta, optional

Step-by-Step Instructions

1. Pat the chicken thighs thoroughly dry with paper towels.
2. Combine garlic powder, oregano, onion powder, smoked paprika, thyme, salt, and black pepper in a small bowl.
3. Season the chicken thighs generously on both sides.
4. Heat olive oil in a large skillet over medium-high heat.
5. Add the chicken thighs in a single layer.
6. Sear for approximately 2–3 minutes per side, until beautifully golden. The chicken does not need to cook completely at this stage.
7. Transfer the sliced onion to the bottom of a 5–6 quart slow cooker.
8. Arrange the browned chicken thighs over the onions.
9. In a medium bowl, whisk together chicken broth, minced garlic, lemon juice, lemon zest, melted butter, Dijon mustard, optional honey, oregano, thyme, and crushed red pepper flakes.
10. Pour the lemon-garlic sauce over and around the chicken.
11. Cover the slow cooker with the lid.
12. Cook on LOW for approximately 4–5 hours or HIGH for approximately 2–3 hours.
13. Avoid removing the lid unnecessarily because this releases heat and can increase cooking time.
14. Cut the zucchini and yellow summer squash into thick pieces rather than thin slices.
15. About 30–45 minutes before the chicken is finished, add the zucchini and yellow squash around the chicken.
16. If using cherry tomatoes, add them at the same time.
17. Gently press the vegetables into the cooking liquid without completely submerging them.
18. Replace the lid and continue cooking until the vegetables are tender but still hold their shape.
19. Check the thickest chicken thigh using an instant-read thermometer. Chicken should reach at least 165°F (74°C) internally.
20. Once cooked, carefully transfer the chicken and vegetables to a serving platter.
21. Taste the sauce remaining in the slow cooker.
22. Add additional salt, black pepper, or lemon juice if needed.
23. For a slightly richer finish, stir an additional tablespoon of butter into the hot sauce.
24. Spoon plenty of lemon-garlic cooking juices over the chicken and vegetables.
25. Sprinkle generously with chopped fresh parsley and basil.
26. Add optional crumbled feta for a creamy, salty Mediterranean-style finish.
27. Garnish with fresh lemon slices.
28. Serve warm with your favorite side dish.

Tips

• Add zucchini and summer squash near the end. Putting them in at the beginning can make them excessively soft after several hours of slow cooking.
• Cut the vegetables into thick pieces so they maintain their shape.
• Searing the chicken is optional, but it gives the thighs much better color and deeper flavor.
• Chicken thighs are ideal for slow cooking because they stay juicier than lean chicken breasts.
• Fresh lemon juice and zest provide a much brighter flavor than bottled lemon juice.
• Don’t use too much cooking liquid. Chicken and zucchini naturally release additional moisture as they cook.
• For extra Mediterranean flavor, add Kalamata olives and feta just before serving.
• If you prefer more heat, increase the crushed red pepper flakes.

Notes

This recipe works beautifully for an easy summer dinner or meal prep. Serve the chicken and vegetables over lemon rice, orzo, couscous, quinoa, or mashed potatoes. Warm pita or crusty bread is also excellent for soaking up the lemony cooking juices. Refrigerate leftovers promptly in an airtight container for up to 3–4 days. Reheat gently so the chicken stays juicy and the zucchini doesn’t become overly soft.

Q&A

Can I use bone-in chicken thighs?
Yes. Bone-in thighs work very well in the slow cooker and may require slightly longer cooking depending on their size.
Can I use chicken breasts?
Yes, but chicken breasts are leaner and can become dry more easily. Begin checking them earlier.
Why did my zucchini become mushy?
It was probably added too early or sliced too thinly. Add thick pieces during the final 30–45 minutes.
Can I add potatoes?
Absolutely. Small baby potatoes can be added near the beginning because they need significantly more cooking time than zucchini.
Can I make the sauce creamy?
Yes. After cooking, stir a small amount of heavy cream into the hot sauce for a richer variation.
What should I serve with this chicken?
Orzo, rice, couscous, quinoa, roasted potatoes, crusty bread, or a fresh Mediterranean salad are all excellent options.

Servings

Makes approximately 6 servings

Nutrition (Approx. Per Serving)

• Calories: 365
• Protein: 34g
• Carbohydrates: 12g
• Fat: 21g
• Saturated Fat: 7g
• Fiber: 3g
• Sugar: 6g
• Sodium: 540mg
• Cholesterol: 155mg
• Potassium: 790mg
  Nutritional values are estimates and may vary depending on chicken size, butter, vegetables, broth, and optional toppings.