Hearty Shepherd's Pie - F-Factor

Ingredients

• 1 large onion, diced
• 4 garlic cloves
• 4 stalks celery
• 1 (12 oz) bag frozen peas and carrots
• 1 Tbsp Tomato paste
• 1/4 cup white cooking wine
• salt and pepper
• 2 lbs lean ground beef
• 3/4 cup chicken stock (1/4 for the cauliflower mash, and 1/2 for the beef mixture)
• 1 tsp freshly chopped thyme leaves
• 2 tsp Freshly chopped rosemary
• 1 tsp Worcestershire sauce
• 1 tbsp paprika
• 1 tsp Red pepper flakes
• 1 tsp xanthan gum
• 1 large (or two small) heads, cauliflower, cut up into florets
• 1/2 cup freshly grated parmesan, plus more to top
• Preheat oven to 375°F degrees. Coat a pan with nonstick cooking spray and place over medium heat. Add onions and cook for 5 minutes, or until soft.
• Add garlic, celery, frozen peas and carrots and cook for an additional 5 minutes. Add tomato paste and stir into the vegetables.
• Add cooking wine and reduce heat to simmer for an additional 5 minutes. Add salt and pepper, to taste. Once most of the wine has cooked out, pour mixture into a bowl and set aside.