Preheat oven to 325. Toast pecan and Almonds about 25 minutes. Stirring occasionally. While nuts are toasting mix cereal and pretzels in two large roasting pan. Melt bacon drippings and butter. Add seasoning to butter and blend. Combine Toasted nuts with cereal and pretzels. Pour the liquids ingredients evenly over the over the cereal mixture while stirring constantly. Reduce heat to 250. Bake 1 1/2 hours stirring every 15 minutes. Cool and store in air tight containers. Keep for a couple of months.