
1. Put the cubed salmon, lemon juice and zest into a food processor. Blitz for 3 seconds.
2. Wet the bread in warm water, squeeze it dry and crumble it in. Add salt and pepper and about a third of the Primula tube contents.
3. Blitz again for 6 seconds or until the mix looks even.
4. Toast the cut surfaces of the baps or rolls & squeeze on some Primula then set lettuce on the base of each and some sliced tomato.
5. Divide the fish mix into 4 burger shapes. Squeeze each into a ball; pat out to 1cm thickness.
6. Pre heat a BBQ Grill or heat the oil in a large non-stick frying pan until hot. Cook the fish burgers for 3 minutes on the first side; flip and cook for 2 minutes on the second. Ensure the fish is cooked all the way through
7. Set a hot burger on each of 4 garnished baps or rolls and top with some more Primula. Set lids on or beside and serve while the fish is hot, lettuce crisp, bread still warm.
8. Add some lemon wedges, and extra tomato and ketchup if required.