In a pot of boiling water

• Blanch the tomatoes.

In a large pot

• Peel the tomatoes.
• Dice them using a french fries cutter.

On the hot fireplace

• Cook the tomato until the water evaporates.
• Add salt, black pepper, and a generous amount of dried oregano.
• Cook until the sauce thickens.

In a blender

• Blend the mixture.

In clean dry jars

• Pour the sauce in the jars while still hot.
• Top each jar with tablespoon of olive oil.
• Close tightly.