--Substitute chicken with tofu for vegetarian --- substitute half and half with coconut milk or lactose free milk ---

1) Preheat oven to 450 degrees.

2)In a medium bowl, combine bread with 1 tablespoon oil; season with salt. Set aside.

3) In a medium pot, heat 1 1/2 teaspoons oil over medium-high. Add spinach; season with salt. Cook, stirring, until wilted, 2 minutes. Transfer to a colander, let cool, then squeeze out water. Coarsely chop.

4) Wipe pot clean and heat 1 1/2 teaspoons oil over medium. Add onion, garlic; season with salt and pepper. Cook, stirring occasionally, until onion is soft, about 8 minutes.

5) Add flour and cook, stirring, 30 seconds. Gradually whisk in half-and-half. Add lemon juice and bring mixture to a boil over high.

6). Remove from heat and stir in chopped spinach and chicken; season with salt and pepper. Transfer to a 2-quart baking dish and top with bread pieces. Bake until bread is golden brown and mixture is bubbling, 8 to 10 minutes.