A delicious vegetarian recipe from Spanish cuisine. Put a large non-stick frying pan on a low heat. Cook the onion slowly in the oil and butter until soft but not brown – this should take…How to easily make Spanish Tortilla?Preparing this delicious recipe will only take you 30 minutes. It is a perfect and healthy option to enjoy with your family or friends. Below you will find the ingredients and the detailed step-by-step instructions. Spanish Tortilla A delicious vegetarian recipe from Spanish cuisine. Put a large non-stick frying pan on a low heat. Cook the onion slowly in the oil and butter until soft but not brown – this should take… 1 sliced Onion4 tbsp Olive Oil25g Butter400g Potatoes6 cloves Garlic8 EggsHandful Parsley1 Baguette4 Vine Tomatoesdrizzle Olive Oil Put a large non-stick frying pan on a low heat. Cook the onion slowly in the oil and butter until soft but…