1/2 c. vegetable oil
1 (1 oz.) envelope Ranch dressing mix
1 (10 oz.) pkg. oyster crackers
1/2 (10 oz.) pkg. bite-size Cheddar cheese crackers (2 c.)

Whisk together oil and dressing mix in a large bowl; pour over crackers, tossing to coat. Spread mixture on a lightly greased baking sheet.

Bake at 350°F for 15 minutes, stirring after 7 minutes.

Yields 6 cups.