Cubano sandwich with rum onions
A staple on street corners in Cuba
- Serves 8
- Less than 15 minutes
- Fry onion over a medium heat in melted butter and oil until softened.
- Increase heat and add rum, if using. Cook until evaporated.
- Smear half the bread with mustard. Top with beef, cheese, gherkin and fried onion.
- Sandwich together with remaining slices.
- Toast over an open fire or in a hot non-stick pan until cheese has melted, turning frequently. Serve