Slice the onion into 1/4 inch thick slices
Saute the onion over medium heat until it has caramelized
Slice the garlic and add it to the pot
Sautee the garlic with the onions for 30 seconds
Chop the kale into 2 inch slices and add it to the pot with a half cup of water
Cover the pot and wilt the kale wilt for 5 minutes or so, stirring occasionally
Remove the cover and let the liquid evaporate from the kale for another 5 minutes or so
Slice the roasted red pepper and add it to the pot
Turn off the heat from the pot
Heat your griddle or another pan
Build your sandwich with cheese on each slice of bread and the sauteed kale in the middle
Drizzle the sandwiches with 1 teaspoon of olive oil
Griddle the sandwiches for 2-3 minutes per side
Serve hot