Polenta with sautéed swiss chard

Ingredients

• 100 gram polenta
• 1/2 liter vegetable stock (or use chicken stock for a non-vegetarian version)
• 100 gram grated Gruyere cheese
• 1 orange (juice + zest)
• optional: a few cubes of butter
• pepper and salt to taste
• about 100 grams swiss chard (or use fresh spinach instead)
• 2 garlic cloves
• 3 medium-sized red beets*
• handful walnuts
• balsamic vinegar
• optional: cilantro leaves