Slow-Cooker Pot Roast with Mushrooms Recipe

Ingredients

• 1 boneless beef chuck roast (3 to 4 pounds)
• 1/2 teaspoon salt
• 1/4 teaspoon pepper
• 1 tablespoon canola oil
• 1-1/2 pounds sliced fresh shiitake mushrooms
• 2-1/2 cups thinly sliced onions
• 1-1/2 cups reduced-sodium beef broth
• 1-1/2 cups dry red wine or additional reduced-sodium beef broth
• 1 can (8 ounces) tomato sauce
• 3/4 cup chopped peeled parsnips
• 3/4 cup chopped celery
• 3/4 cup chopped carrots
• 8 garlic cloves, minced
• 2 bay leaves
• 1-1/2 teaspoons dried thyme
• 1 teaspoon chili powder
• 1/4 cup cornstarch
• 1/4 cup water
• Mashed potatoes