Mix pork, beef, egg, rice, 1/2 of onion, and tomio together; make into small balls. Bring water to boil and add balls; simmer at low boil for 1 hour. Add tomato, garlic, chili, and rest of chopped onion; let simmer 35 minutes. Add yerba buena and simmer 10 minutes. Soak French bread in small amount of soup broth until very soft. Place in blender with comino; chop together; add to soup. Next add carrots and peas; simmer until vegetables are tender. Serve.