Cauliflower Broccoli Salad

2 heads broccoli, cut into florets

1 head cauliflower, cut into florets

1 (20 ounce) package frozen peas, thawed

2 carrots, thinly sliced

1 (4 ounce) can sliced black olives

1 ½ cups creamy salad dressing (such as Miracle Whip®)

1 cup sour cream

2 teaspoons garlic powder

Place broccoli, cauliflower, peas, carrots, and olives in a large bowl.

Stir creamy salad dressing, sour cream, and garlic powder together in a bowl until well blended.

Stir dressing a spoonful at a time into the broccoli mixture until vegetables are coated.