1. Bring first 3 ingredients to a boil in a large saucepan over medium-high heat. Gradually whisk in grits; return to a boil. Reduce heat to medium-low, and simmer, stirring occasionally, 10 to 12 minutes or until thickened.
2. Whisk in cheeses and pepper until cheeses are melted. Spoon Seasoned Vegetables evenly over grits, and serve immediately.