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Dinner · Part 2 of 3: Instructions

One-Pan Baked Chicken with Herb Roasted Potatoes and Green Beans Step-by-step instructions

A rustic baking dish filled with golden roasted chicken breast, crispy potato wedges, and green beans.
Prep
Cook
Total
Serves
4
Includes 5 min resting

Before you start

Before beginning, ensure all vegetables are thoroughly washed and dried. Precision in cutting is key; uniform potato wedges will cook evenly, preventing some pieces from becoming mushy while others remain raw.

Ensure the chicken is patted dry with paper towels to facilitate better browning in the oven. Have your baking dish ready and clear a workspace to organize your ingredients, which helps in maintaining a smooth and efficient cooking flow from start to finish without any unnecessary delays.

Ingredients at a glance (6)
  • 4 pieces chicken breast, boneless and skinless
  • 1 lb potatoes, cut into wedges
  • 12 oz green beans, trimmed
  • 4 tbsp butter, melted
  • 3 cloves garlic, minced
  • 1 tbsp dried rosemary

Instructions

Preparation

  1. Prepare the ingredients
    Preheat the oven to 400°F (200°C). Slice the chicken breasts into even portions. Cut the potatoes into uniform wedges to ensure they roast evenly. Trim the ends of the green beans and set them aside. Prepare the garlic butter by whisking together the melted butter, minced garlic, and dried rosemary in a small bowl until well combined.
    Look for Potatoes are sliced into wedges and the garlic butter is smooth.
    Tip Ensure the potato wedges are of similar size so they finish roasting at the same time as the chicken.

At this stage, your ingredients should be neatly chopped and your oven preheated to the correct temperature. The garlic butter mixture should be aromatic and well-emulsified. Ensure you have cleaned your workspace thoroughly after handling the raw chicken to maintain safety. Everything should be ready for assembly in the baking dish, ensuring a quick transition into the oven once the seasoning is applied.

Roasting

  1. Assemble and bake
    Arrange the chicken, potato wedges, and green beans in a large rectangular baking dish. Drizzle the prepared garlic herb butter evenly over all the ingredients. Place the dish into the preheated oven and bake for approximately 35 to 40 minutes. Ensure the chicken reaches an internal temperature of 165°F (74°C) at the thickest part of the meat to ensure it is thoroughly cooked.
    Look for Chicken is opaque throughout and potatoes are golden brown.
    Safe temperature 165°F (74°C) internal temperature (poultry)
    Tip If the potatoes need more crisping, place the dish under the broiler for two minutes while keeping a close watch.

During the roasting phase, the kitchen will fill with the savory scent of garlic and toasted rosemary. Check the dish halfway through to ensure the butter has distributed evenly. The potatoes should begin to take on a golden hue, and the chicken should develop a light, savory crust. If the beans appear to be browning too quickly, you can gently toss them with the juices at the bottom of the pan.

Serving

  1. Finish and serve
    Remove the baking dish from the oven. Let the chicken rest for at least 5 minutes before serving to allow the juices to redistribute through the meat. Carefully serve the chicken alongside the roasted potatoes and green beans, spooning any extra garlic butter from the bottom of the dish over the vegetables.
    Look for Juices are clear and the chicken feels firm to the touch.
    Tip Letting the chicken rest is essential for maintaining moisture and tenderness in the breast meat.

The final phase involves the critical resting period. Once removed from the oven, the dish should look vibrant, with perfectly roasted potatoes and tender green beans. The chicken should have a glistening, golden appearance.

After the resting time, the dish is ready to be plated. Ensure the juices accumulated in the bottom of the dish are drizzled over the components for maximum flavor impact before serving.

Common mistakes

A common mistake is overcrowding the baking dish, which causes the ingredients to steam rather than roast, leading to soggy potatoes and pale chicken. Ensure there is enough space around each piece to allow for air circulation.

Another error is failing to rest the chicken; cutting into it immediately causes the flavorful juices to leak out, resulting in dry meat. Always allow the mandated rest time to ensure every bite remains juicy, succulent, and perfectly seasoned throughout.

How to tell it’s done

The chicken is perfectly done when it reaches an internal temperature of 165°F (74°C). Use a meat thermometer inserted into the thickest part of the breast to confirm. The meat should be opaque and firm, not rubbery.

The potatoes should be fork-tender with a crisp, golden-brown exterior. The green beans should be tender but still retain a slight snap, indicating they have been cooked just long enough to absorb the flavors without losing their vibrant color.

  • Poultry: 165°F (74°C) in the thickest part

Coming up in Part 3: common questions

  • Can this be made with bone-in chicken?
  • Why should the chicken rest after baking?
  • Are there alternatives to potatoes?

Also in Part 3: variations (Lemon Herb Variation, Spiced Paprika Variation), storage and make-ahead, and the printable recipe card.

Up next · Part 3 of 3

2 variations · storage & make-ahead · 3 answers · printable card

Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)