Method
In a 4-qt Dutch oven, heat olive oil until sizzling; add onions, salt and pepper. Cook over medium heat, stirring occasionally, 15 to 20 minutes or until golden brown.
In small bowl, stir together gorgonzola and mascarpone. Place cracker bread on cookie sheet. Top with spoonfuls of cheese mixture. Top with onions and pecans. Bake at 400 degrees F for 8 to 10 minutes or until cheese is melted.