Easy Tuscan Chicken

Ingredients (11)

• + ¼ cup olive oil, divided add to pantry
• + 1 teaspoon ground black pepper add to pantry
• + 3 skinless, boneless chicken breast halves add to pantry
• + ½ onion, chopped add to pantry
• + 1 (8 ounce) package sliced fresh mushrooms add to pantry
• + ¾ (8 ounce) can artichoke hearts in water, drained add to pantry
• ✓ 2 teaspoons Italian seasoning
• + 1 ½ teaspoons salt add to pantry
• + ¾ cup white wine add to pantry
• + 4 large roma tomatoes, quartered add to pantry
• ✓ 6 tablespoons butter