In a saucepan, add the water and milk and bring to a boil. Add the polenta and stir. Lower heat to low and continue stirring occasionally until the polenta is creamy, about 40 minutes.
Add the chopped veggies onto a baking sheet. Drizzle with olive oil, balsamic and salt & pepper. Toss to coat and place in oven for 30 minutes, turning hallway through
Once the polenta is done, add in the butter and cheese. Stir to mix well.
Spoon polenta into bowl and top with the roasted veggies. Top with chopped chives