Ranch Pretzels

1 (20 ounce) package large thick pretzels
1 envelope ranch salad dressing mix
3/4 cup vegetable oil
1 1/2 teaspoons dill weed
1 1/2 teaspoons garlic powder

Break pretzels into bite-size pieces and place in a large bowl. Combine remaining ingredients; pour over pretzels. Stir to coat. Pour into an ungreased 15 x 10-inch baking pan. Bake at 200 degrees F for 1 hour, stirring every 15 minutes.