Caramelize the onions: Heat the remaining tablespoon of olive oil in a skillet over medium heat. Add the sliced onions and cook, stirring occasionally, for about 10-12 minutes, until the onions soften and turn golden brown. If you want a deeper flavor, add a teaspoon of balsamic vinegar during the last few minutes of cooking.
Roast the potatoes: Place the baking sheet in the oven and roast the potatoes for 25-30 minutes, flipping them halfway through, until they are golden and crispy on the outside.
Combine: Once the potatoes are roasted, remove them from the oven and toss them with the caramelized onions. Sprinkle with a bit of dried thyme (if using) and adjust the seasoning with salt and pepper.
Serve these roasted potatoes with caramelized onions alongside your favorite main dish! They’re perfect for a cozy dinner or even as a snack. Let me know if you’d like to make any variations!