Cottage Pie on BakeSpace.com

Ingredients

• 2 TB extra-virgin olive oil
• 3 TB unsalted butter
• 2 cups diced onion
• 2 cups sliced carrot
• 1 1/2 cup diced celery
• 10 oz mushrooms, sliced
• 4 cloves garlic, minced
• 1 TB kosher salt
• 2 tsp dried Oregano
• 1 1/2 tsp dried Savory
• 1 small can of tomato paste
• 1 1/2 lb Ground Beef
• 1/3 cup Beef or Veal Stock
• 1 tsp Worcestershire sauce
• Freshly ground black pepper
• 4 - 5 cups left-over Mashed or Riced Potatoes
• 1/2 cup grated Parmagiano-Reggiano