Add oil, ranch, red pepper, garlic, onion, and black pepper. Seal bag.
1 2/3 cup canola oil, 2 1 oz pkts dry ranch dressing mix, 2 tbsp crushed red pepper flakes, 1 tsp garlic powder, 1 tsp onion powder, 1/2 tsp black pepper
Using your hands mix ingredients around together until evenly combined.
Add crackers to the bag. Seal again.
1 16 oz box saltine crackers
Turn the bag over several times to coat crackers with the spice mix.
Lay the bag flat and let it sit for about an hour
Turn the bag over, repeating several times until the crackers are thoroughly coated with the spice mix.
Allow the bag to sit overnight.
Remove the crackers from the bag and serve.