Slow Cooker Beef Ramen Noodles

Ingredients

• 1 1/2 lbs beef stew meat, cubed
• 2 tablespoons vegetable oil
• 4 cups beef broth
• 1/4 cup soy sauce
• 2 tablespoons oyster sauce
• 1 tablespoon fish sauce
• 3 cloves garlic, minced
• 1 inch fresh ginger, grated
• 2 tablespoons brown sugar
• 1 teaspoon sesame oil
• 1 teaspoon onion powder
• 4 packs ramen noodles (discard the seasoning packets)
• 2 cups baby spinach leaves
• 1 cup sliced carrots
• 1 cup sliced mushrooms
• 1/2 cup green onions, chopped
• 2 boiled eggs, halved
• Salt
• pepper
• Optional toppings: sesame seeds, chopped cilantro, or chili flakes