Roast Beef Soup

Ingredients

• 2 pounds cubed cooked roast beef
• 1-1/4 cups chopped onions
• 2 tablespoons canola oil
• 4-1/2 cups water
• 1 jar (12 ounces) beef au jus gravy
• 1 cup leftover beef gravy or 1 can (10-1/4 ounces) beef gravy
• 1 envelope brown gravy mix
• 2 bay leaves
• 1/4 teaspoon garlic salt
• 1/4 teaspoon pepper
• 1/4 teaspoon hot pepper sauce
• 1 cup dried lentils, rinsed
• 1 cup frozen mixed vegetables