Given the task definition and input, reply with output. In this task, you will be presented with the directions of a recipe separated by "," and have to fill in the "___" which is a step that is missing from the recipe.

Saute onion and celery in olive oil, about five minutes.,Add garlic for another minute or so, but don't let it brown.,Add can of beans, undrained, the oregano, the boullion cubes, and the parmesan rind, if you have one.,Simmer about 5 minutes.,______,Add ten-12 cups of water, at least; if you want it soup-y, add more.,Bring water to a boil.,Add pasta and cook for time directed on package.,Enjoy with grated parmesan and pepper!
Add tomatoes, simmer another 10 minutes, stirring occasionally.