My Family's Favorite Slow Cooker Beef Tips with Creamy

Ingredients

• 2 pounds beef sirloin or chuck, cut into 1-inch cubes
• 1 tablespoon olive oil
• ½ teaspoon salt
• ½ teaspoon black pepper
• 1 teaspoon garlic powder
• 1 teaspoon onion powder
• 1 cup beef broth
• 1 cup heavy cream
• 2 tablespoons all-purpose flour
• 1 tablespoon Worcestershire sauce
• 1 teaspoon dried thyme
• 1 teaspoon dried parsley
• Fresh parsley for garnish (optional)