Preheat oven (electric cooker: 150 °C/circulating air: 130 °C/gas: see manufacturer). Line a baking tray with baking paper. Place half the crackers on top and place 1 "Rolo®" in the middle of each. Bake in a hot oven for about 1 minute. Take out, place 2 crackers on each and press down lightly.