Grilled Lemon-Rosemary Chicken with Garlic Smashed Potatoes

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

Juicy grilled chicken breasts marinated in lemon and rosemary, served alongside tender garlic smashed potatoes with a crispy edge. This American-inspired Father’s Day recipe, ready in about 70 minutes, pairs boneless skinless chicken breasts, lemon juice, fresh rosemary leaves for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 420 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 40 min Cook: 30 min Serves 4 American cuisine 420 cal/serving
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Ingredients

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Instructions

  1. Step 1: In a medium bowl, whisk together 3 tbsp lemon juice, 2 tbsp chopped rosemary, 3 tbsp olive oil, 3 minced garlic cloves, 1 tsp salt, and 1/2 tsp black pepper. Add 4 chicken breasts and coat thoroughly; marinate in the fridge for at least 30 minutes.
  2. Step 2: Meanwhile, place 1.5 lbs small Yukon gold potatoes in a large pot, cover with cold water, add 1 tsp salt, and bring to a boil over high heat. Cook for 15-18 minutes until tender when pierced with a fork, then drain.
  3. Step 3: Preheat grill to medium-high heat (around 400°F). While heating, gently smash each potato with the bottom of a glass or pan until about 1/2-inch thick but still in one piece.
  4. Step 4: Brush grill grates with 1 tbsp olive oil. Grill chicken for 6-7 minutes per side until internal temperature reaches 165°F and grill marks form.
  5. Step 5: Heat a large skillet over medium heat, add 3 tbsp unsalted butter and remaining 2 minced garlic cloves, cook until fragrant about 1 minute. Add smashed potatoes, season with 1 tsp salt and 1/2 tsp black pepper, cook 3-4 minutes per side until edges are golden and crispy.
  6. Step 6: Plate chicken breasts with garlic smashed potatoes and garnish with 2 tbsp chopped fresh parsley.

Frequently asked questions

How long does Grilled Lemon-Rosemary Chicken with Garlic Smashed Potatoes take to make?

Total time is about 70 minutes (40 min prep + 30 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover Grilled Lemon-Rosemary Chicken with Garlic Smashed Potatoes?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep lemon juice from drying out.

Can I substitute ingredients in Grilled Lemon-Rosemary Chicken with Garlic Smashed Potatoes?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Grilled Lemon-Rosemary Chicken with Garlic Smashed Potatoes for a different number of people?

The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

What goes well with Grilled Lemon-Rosemary Chicken with Garlic Smashed Potatoes?

American father’s day like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.

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