tomato sauce 
Can be used for calzones or pizza (with pizza dough).
total ingredients 
- 800g canned crushed tomatoes
 - salt
 - 1 tbsp oregano
 - 4 cloves of garlic or 1 tbsp of garlic powder
 - 1 medium onion onions or 1 tbsp of onion powder
 - splash of olive oil
 
ingredients by use case & order 
- 800g canned crushed tomatoes
 - salt
 - 1 tbsp oregano
 - 4 cloves of garlic or 1 tbsp of garlic powder
 - 1 medium onion onions or 1 tbsp of onion powder
 - splash of olive oil
 
how to 
- If using raw onions finely dice. If raw garlic then either press or chop finely.
 - Add everything into a wide pan so that it evaporates faster.
 - Boil until thickened to desired consistency.
 
sources 
Just tomatoes with salt and spices.
