Lemon Dijon Chicken with Zucchini & Squash
This Lemon Dijon Chicken with Zucchini and Squash is bright, juicy, and full of summer flavor. Chicken breasts soak in a quick marinade of lemon, olive oil, Dijon, honey, garlic, and parsley, then hit the grill alongside scored zucchini and yellow squash brushed with herby seasoning.
It is a light, healthy dinner that comes together in about 30 minutes.

Why You’ll Love This Lemon Dijon Chicken
- Bright marinade: tangy lemon and Dijon with a touch of honey.
- Healthy: lean protein and veggies.
- 30 minutes: quick enough for a weeknight.
- Grill or grill pan: works indoors or out.
Lemon Dijon Chicken Ingredients
Chicken Breasts
Marinate for at least 10 minutes or up to 4 hours.
Lemon Dijon Marinade
Lemon juice, olive oil, Dijon, parsley, honey, garlic, salt, and pepper.
Zucchini and Yellow Squash
Scored so the seasoning soaks in.
Veggie Seasoning
Olive oil, basil, garlic powder, oregano, red pepper flakes, salt, and pepper.
Good to Know: This meal is naturally gluten-free and dairy-free.
How to Make Lemon Dijon Chicken
Step 1: Marinate
Whisk the marinade ingredients, add the chicken, and marinate at least 10 minutes.
Step 2: Prep the Veggies
Score the zucchini and squash lengthwise, mix the seasoning, and brush it over the veggies.
Step 3: Grill
Grill the chicken over medium-high heat 6 to 7 minutes per side, and the veggies 3 to 4 minutes per side.
Step 4: Serve
Slice the chicken, serve with the veggies, and finish with a squeeze of lemon.
Carly’s Expert Tips
- Pound the chicken. Even thickness means even cooking.
- Marinate overnight. For even more flavor.
- Score the veggies. It helps the seasoning soak in.
- Rest the chicken. Five minutes keeps it juicy.
Make It Your Own
- Parmesan: Sprinkle Parmesan on the veggies.
- Thighs: Use chicken thighs.
- Bowls: Serve over quinoa or rice.
- Oven: Roast at 425°F instead of grilling.
Make-Ahead and Meal Prep: Marinate the chicken in the morning. Grilled chicken and veggies make great meal prep bowls.
What to Serve With Lemon Dijon Chicken
Serve with rice, quinoa, orzo, couscous, or a fresh green salad.
Storing and Reheating
Fridge: Store for up to 4 days.
Reheat: Warm gently in a skillet or microwave.
Freezer: Freeze the cooked chicken for up to 3 months.
What People Ask About Lemon Dijon Chicken
Can I bake this instead of grilling?
Yes. Bake at 425°F until the chicken reaches 165°F.
How long should I marinate the chicken?
At least 10 minutes and up to 4 hours, or overnight.
Can I use a grill pan?
Yes. It works great indoors.
Can I use other veggies?
Bell peppers, onions, and asparagus all work.

Lemon Dijon Chicken with Zucchini & Squash
Ingredients
Method
- In a bowl, whisk together lemon juice, olive oil, Dijon mustard, parsley, honey, garlic, salt, and pepper.
- Add the chicken breasts to the marinade, coat well, and let it marinate for at least 10 minutes or up to 4 hours.
- Score the zucchini and squash lengthwise by making shallow cuts on the surface to help the seasoning soak in.
- In a small bowl, mix olive oil, dried basil, garlic powder, dried oregano, crushed red pepper flakes, salt, and pepper.
- Brush the seasoning mixture generously over the zucchini and squash.
- Preheat the grill to medium-high heat.
- Grill the chicken for 6–7 minutes per side until fully cooked.
- Grill the zucchini and squash for 3–4 minutes per side until tender and charred.
- Slice the chicken and serve immediately with the grilled veggies.
- Top with an extra squeeze of lemon for added flavor.
Nutrition
Notes
- For extra flavor, let the chicken marinate overnight in the refrigerator.
- Use a grill pan if you don’t have access to an outdoor grill.
- Add a sprinkle of Parmesan cheese on the veggies for a cheesy twist.
- Make sure to preheat the grill properly to avoid sticking.
- Serve with a side of rice or quinoa for a complete meal.

