Prepare the ingredients

• Slice the onion, mince the garlic and slice the green onion.
• Trim and separate the shimeji mushrooms.
• Season the sliced beef with salt and pepper.

Sear the beef

• Heat a frying pan over medium-high heat.
• Sear the beef until browned, then set aside.

Sauté the aromatics

• In the same pan, cook the onion until softened.
• Add the garlic and shimeji mushrooms and cook until fragrant.

Build the curry broth

• Pour in the beef broth, soy sauce and mirin.
• Bring to a simmer and stir in the curry cubes until fully dissolved.

Cook the udon

• Add the frozen udon to the simmering broth.
• Cook until the noodles are tender and heated through.

Finish and serve

• Return the beef to the pan and heat through.
• Ladle into bowls and top with green onion.