Heat oven to 300F. Line 1 lare (17"x14") cookie sheet or 2 (15"x10"x1") pans with foil; spray foil with cooking spray. In large bowl, mix both cereals, the oats and almonds; set aside.

In 1-qt saucepan, heat butter, brown sugar and syrup over medium heat, stirring frequently, until butter is melted and mixture boils. Pour over cereal mixture; stir until well coated. Spread mixture evenly on cookie sheet with rubber spatula until about 1/2" thick.

Bake 35-40 minutes or until almonds are golden brown. Cool completely, about 15 minutes. Break into pieces with fingers. Store in tightly covered container.