Meatloaf

Ingredients

• 1 14 cups fine breadcrumbs (I use gluten-free homemade or Ener-G brand)
• 1 small yellow onions or 12 medium yellow onion, chopped fine
• 1 teaspoon kosher salt
• 12 teaspoon thyme leaves (or more)
• 14 teaspoon fresh ground black pepper
• 12 cup milk (I use nonfat)
• 2 eggs, slightly beaten
• 2 lbs ground beef
• 1 (8 ounce) can tomato sauce
• 18 cup packed light brown sugar
• 14 teaspoon dry mustard (Coleman's is not gluten-free)