Sautéed Spicy Green Beans and Tomatoes

1/4 cup slivered almonds or pine nuts

3 tablespoons extra-virgin olive oil

1 small onion, thinly sliced

2 cloves garlic, very finely chopped

1/2 teaspoon ground cumin

1/2 teaspoon kosher salt

1/4 teaspoon freshly ground black pepper

1/4 teaspoon ground coriander

1/8 teaspoon ground cinnamon, optional

1/8 teaspoon ground cayenne, optional

15 cherry or grape tomatoes, halved