In a large skillet, melt the butter over medium heat. Add the chicken breasts and season with salt and black pepper. Cook for about 5-7 minutes on each side until golden brown and cooked through.

Add Wine and Lemon Juice

Pour the white wine into the skillet and add the minced garlic and lemon juice. Let it simmer for about 5 minutes until the sauce thickens slightly.

Making the Mashed Potatoes

Boil the Potatoes

In a large pot, boil the cubed potatoes in salted water until tender, about 15-20 minutes. Drain the water.

Mash the Potatoes

Add butter and milk to the drained potatoes. Mash until smooth and season with salt and black pepper.

Preparing the Vegetable Medley

Sauté the Vegetables

In another skillet, heat olive oil over medium heat. Add the mixed vegetables and season with salt and black pepper. Sauté for about 7-10 minutes until they are tender but still crisp.

Plating the Dish

Serve

Plate the sautéed chicken with the wine and lemon sauce, accompanied by a serving of mashed potatoes and vegetable medley.