Creamy potato gratin with steak, herb butter and a refreshing salad

Ingredients

• Agristo creamy potato gratin
• 4 steak cuts
• Salt and black pepper to taste
• 2 tablespoons neutral oil
• 0.5 cup unsalted butter, softened
• 2 tablespoons fresh parsley, finely chopped
• 1 tablespoon fresh chives, finely chopped
• 1 clove garlic, minced
• zest of 1 lemon
• 1 teaspoon lemon juice
• 200 grams lamb's lettuce or any salad greens of your choice
• 1 cup cherry tomatoes, halved
• 1 cucumber, thinly sliced
• 10 radishes, thinly sliced