Saute 1 small chopped onion and 2 minced garlic cloves in olive oil in a saucepan over medium heat, 5 minutes. Stir in 1 cup quinoa, 1 teaspoon tomato paste and 1/2 teaspoon ground turmeric. Add 1 1/2 cups water and 1 teaspoon kosher salt; bring to a boil. Reduce the heat to low; cover and simmer until tender, 15 minutes. Stir in 3/4 cup each small pimento-stuffed green olives and chopped cilantro.