Garlic Cream Risotto with Summer Vegetables

2 tablespoons olive oil

1/2 red onion, diced

3 green onions, sliced thin

5-6 crimini mushrooms, quartered

1 zucchini, sliced into rounds and halved

1/2 cup arborio rice

3 cups vegetable stock

2 roma tomatoes, chopped

1/2 cup garlic cashew cream

garlic cashew cream

1 cup raw cashews, soaked overnight

1/2 cup water

2 cloves garlic, finely minced