Step 1

Heat the oven to 375° F (190° C).

Step 2

Heat the oil in a 10-inch skillet over medium-high heat. Add the chopped onions to the pan and cook, stirring occasionally for 2 minutes.

Step 3

Add the garlic to the pan and cook, stirring frequently for 30 seconds.

Step 4

Add the spinach and cook, stirring frequently until the spinach has wilted, about 1 minute.

Step 5

Add the beans to the pan and heat, stirring frequently for 30 seconds.

Step 6

Remove the pan from the heat and set it aside.

Step 7

In a medium-sized mixing bowl, whisk together the eggs, cream, salt, and pepper.

Step 8

Stir in the cheese and chopped tarragon. Next, fold in the spinach and bean mixture.

Step 9

Pour the mixture into a lightly buttered 5x5-inch baking dish and place the dish on a rimmed baking sheet to catch any possible spills.

Step 10

Bake for 25 minutes or until the quiche is puffed and golden. Let the quiche cool for a few minutes before eating.