In a saucepan, combine brown sugar, honey, butter and seasoning blend. Bring to the boil on high, reduce heat to low and simmer until the sugar dissolves, about 2 minutes.
Place granola, rice cereal and pretzels in a bowl. Pour over sugar syrup and stir evenly to coat.
Cool mixture slightly.
Tip mixture out onto a tray lined with baking paper/ go between and flatten out. Place into the refrigerator for about 15 minutes or until set.