Cottage Pie with Garlic Butter Recipe

Ingredients

• 3 tablespoons olive oil
• 2 garlic cloves, mashed
• 1 small onion, chopped
• 1 pound beef, freshly ground
• 1 teaspoon fresh thyme leaves
• 1 1/2 cups beef stock
• 1 teaspoon Worcestershire sauce
• 1 tablespoon tomato paste
• Salt and freshly ground pepper
• 3 pounds baking potatoes, unpeeled
• 1 cup whole milk, boiling
• 2 tablespoons butter
• 1 tablespoon chopped chives (optional)
• 1/4 cup grated Parmesan cheese
• 1/4 cup shredded Cheddar cheese
• 8 tablespoons butter
• 2 tablespoons finely chopped parsley
• 3 to 5 cloves crushed garlic
• A few drops of freshly squeezed lemon juice