Fry the sausages

• Cut the sausages in half lengthwise.
• Heat a skillet and lightly grease it with vegetable oil.
• Place the sausage halves cut side down and fry lightly until browned.

Add the eggs

• Beat the eggs with salt in a bowl.
• Pour the egg mixture over the sausages in the pan.
• Cook until the eggs are almost set.

Add cheese and tortilla

• Sprinkle the grated mozzarella over the eggs.
• Place the tortilla over the mixture.
• Carefully flip everything so the tortilla is on the bottom.

Fill and fold

• Arrange the tomato slices on one half of the tortilla.
• Top with the cheddar cheese slices.
• Fold the tortilla in half.

Finish and serve

• Cook briefly until everything is melted and combined.
• Serve hot.