Wash tomatoes. in large bowl combine tomatoes, onion, red pepper and garlic, toss to combine. Set aside.
In large none reacting pot combine vinegar, water, sugar, salt, rosemary, all peppercorns and bay leaf. Bring to a boil, stirring until sugar is dissoved. Reduce heat, and simmer uncovered for 10 minutes. Stirring often.
Remove from heat and discard bay leaf.
Pack tomatoes into hot sterilized 8 oz jars. Leaving 1/2" head space.
Pour HOT vinegar mixture over tomatoes, leaving 1/2" head space. Remove any air bubbles in jars, wipe rims and add lids.