Low Carb Broccoli Cauliflower Salad

1 medium head cauliflower, cut into bite size pieces

2 bunches broccoli, cut into bite size pieces

1 cup mayo

1 cup sour cream

1 packet ranch dressing mix

Mix mayo, sour cream, and ranch dressing mix until well blended. Place in refrigerator for about 2 hours to chill. Remove from refrigerator, pour over veggies, and stir until well mixed and all veggies are coated. Serve.