For cilantro-lime crema: In a small mixing bowl, stir until blended. Chill well before serving as a condiment alongside the casserole.

Preheat the oven to 375°F.

Spray a 9 x 13 inch glass baking dish with cooking spray and press the hash browns evenly over the bottom of the dish.

Drizzle a couple of tablespoons of melted butter over the potatoes, season with salt and black pepper, and bake for 15 minutes. Remove from the oven and set aside.

While the potatoes are baking add the diced peppers and onions to a skillet and saute in a couple of tablespoons of olive oil over medium-high heat until they soften. Season with salt and black pepper to your taste. Add the ground beef and cook until no pink remains. Drain any excess fat from the pan.

To the cooked ground beef add the minced garlic, Worcestershire sauce, Tex-Mex seasoning, cilantro, milk, cream cheese and queso blanco. Stir well and cook on low heat until the cream cheese melts.

Lastly, add in the fresh spinach and stir just until it begins to wilt. Toss in one cup of pepper jack then remove the pan from the stove.

Pour the filling evenly over the potatoes. Top with the remaining shredded cheese. Sprinkle the crushed tortilla chips over the top.

Bake for 35-40 minutes or until the casserole is bubbly and golden.