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Dinner · Part 2 of 3: Instructions

Garlic Butter Chicken with Roasted Potatoes and Green Beans Step-by-step instructions

A glass baking dish filled with golden roasted chicken breasts, crispy potato chunks, and bright 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 the potato chunks is important; aim for pieces that are roughly one inch in size. If the chicken breasts have thick portions, consider butterfly slicing them or lightly pounding them to reach an even thickness.

Preheat the oven well in advance, as a hot oven is critical for achieving the desired golden crust on both the chicken and the potatoes. Have all ingredients measured and ready to go.

Ingredients at a glance (6)
  • 4 pieces boneless skinless chicken breasts
  • 1.5 lb potatoes, cut into chunks
  • 1 lb green beans, trimmed
  • 4 tbsp unsalted butter, melted
  • 4 cloves garlic, minced
  • 1 tbsp fresh parsley, chopped

Instructions

Preparation phase

  1. Prepare the ingredients
    Preheat the oven to 400°F (200°C). Wash and trim the green beans. Scrub the potatoes and cut them into uniform bite-sized chunks to ensure even roasting. Pat the chicken breasts dry with paper towels to ensure they brown properly in the oven.
    Look for Potatoes are uniform in size and chicken is dry.
    Tip Keeping the potato chunks a similar size ensures everything finishes cooking at the same time.

At the end of this phase, the potatoes are uniformly chopped, the green beans are trimmed, and the chicken is patted dry. The oven is fully preheated to the correct temperature, and all ingredients are organized on the counter.

This setup ensures that the assembly phase can proceed smoothly without interruptions, which is essential for maintaining the efficiency and quality of the final roasted dish.

Seasoning phase

  1. Season and assemble
    In a small bowl, whisk together the melted butter, minced garlic, and chopped parsley. Place the chicken and potatoes into the glass baking dish. Drizzle half of the garlic butter mixture over the chicken and potatoes.
    Look for Ingredients are evenly coated with the butter mixture.
    Tip Ensure the chicken is coated on both sides for maximum flavor penetration during the roasting process.

The chicken and potatoes are now coated evenly with the garlic herb butter. The ingredients are arranged in the glass baking dish with enough space for proper heat circulation. The dish is now ready for the oven, with the butter mixture providing the aromatic base that will develop into a savory sauce during the roasting process.

Roasting phase

  1. Roast and serve
    Place the dish in the oven and roast for 25 minutes. Add the green beans to the dish, toss them with the remaining garlic butter, and continue roasting until the chicken reaches an internal temperature of 165°F (74°C). Remove from the oven and let the chicken rest for 5 minutes before slicing.
    Look for Chicken is cooked through and potatoes are tender.
    Safe temperature 165°F (74°C) internal temperature (poultry)
    Tip Use a meat thermometer to check the thickest part of the chicken breast to confirm it is fully cooked.

The chicken is golden brown, the potatoes are tender and crisp at the edges, and the green beans are perfectly cooked. The kitchen is filled with the aroma of roasted garlic and herbs. After verifying the internal temperature of the chicken, the dish is removed from the oven and allowed to rest, ensuring the meat remains juicy and flavorful when served to the table.

Common mistakes

A common mistake is overcrowding the baking dish, which can lead to steaming rather than roasting. Ensure there is enough space between the ingredients for hot air to circulate.

Another error is cutting the potato chunks too large, which prevents them from cooking through at the same rate as the chicken. Finally, failing to rest the chicken after it comes out of the oven can result in a loss of moisture, leading to a drier texture when the meat is sliced.

How to tell it’s done

The chicken is done when it reaches an internal temperature of 165°F (74°C) as measured by a food thermometer inserted into the thickest part of the breast. The juices should run clear, and the exterior should be golden brown.

The potatoes should be fork-tender, meaning a fork slides into them with no resistance. Ensure the green beans are bright green and tender but still retain a slight snap, indicating they have been cooked to the perfect point.

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

Coming up in Part 3: common questions

  • Can the green beans be added at the same time as the potatoes?
  • Is it necessary to peel the potatoes?
  • How can the chicken be kept from drying out?

Also in Part 3: variations (Lemon Garlic Butter, Spicy Garlic Butter), 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)