Beat eggs with 1 tbs water and cumin.
Coat bottom of non stick pan with 1 tbs oil.
Pour in enough egg mixture to coat bottom of pan.
Push cooked edges into center allowing uncooked egg to flow around pan, do this twice.
Sprinkle with salt and pepper.
When almost cooked through, fold in half.
Repeat with remaining egg mixture.
Split rolls in half and place omelette into each roll.
Top with tomato salsa.