1 14 oz can diced tomatoes (I love Muir Glen diced tomatoes)
2 cloves garlic
Herbs to taste (I use a mixture of dried oregano, basil & rosemary)
Drain tomatoes. Add to blender or food processor. Add 2 peeled cloves of garlic and herbs. Blend until smooth. I usually drain it again using a fine sieve or a coffee filter for 30-45 minutes.