Dice bacon into small 1/4-inch (.5 cm) pieces. Sauté in a large skillet over medium high heat for 3 minutes, so it isn’t crispy but so most the fats have been released, drain and cool completely.
Puree onion until smooth and mince garlic.
Clean and slice mushrooms into 1/4-inch (.5cm) slices. Melt butter in a large skillet over medium high heat. Sauté mushrooms, in small batches, so that they brown evenly on both sides, about 2 minutes per side. Let cool completely.
In a large bowl combine cubed roast, cooked bacon pieces, pureed onion, minced garlic, sautéed mushrooms, carrots, beef broth, tomato paste, Worcestershire sauce, flour, thyme, bouillon, rosemary, oregano, basil, and nutmeg. Mix Well.
MAKE IT NOW
Wash, Peel, and cube potatoes. Place contents of bowl and cubed potatoes into a 5 quart (4.73 L) slow cooker. Stir together. Cover and cook LOW 7 to 8 hours/ HIGH 3 to 4 hours. salt and pepper to taste. Top with minced parsley. Serve hot.
MAKE IT A FREEZER MEAL
Pour contents of bowl into a 1-gallon (4 L) freezer bag. Remove as much air as possible. Seal and freeze.
THAW AND COOK
Place bag in a large bowl in the fridge to thaw for 24 hours. Wash, peel, and cube potatoes. Place thawed contents of bag and cubed potatoes into a 5 quart (4.73 L) slow cooker. Stir together. Cover and cook LOW 7 to 8 hours/HIGH 3 to 4 hours. Salt and pepper to taste. Top with minced parsley. Serve hot.