Step 1

1 Preheat the oven to 400°F (200°C).

Step 2

2 Fry the ground beef in butter on medium high heat, until cooked through and no longer pink.

Step 3

3 Add Tex-Mex seasoning and crushed tomatoes. Stir and let simmer for 5 minutes. Taste to see if it needs additional salt and pepper.

Step 4

4 Place the ground-beef mixture in a greased baking dish (about 9" or 23 cm in diameter). Top with jalapeños and cheese.

Step 5

5 Bake on upper rack in oven for 15–20 minutes or until golden brown on top.

Step 6

6 Mix the scallion with the crème fraîche or sour cream in a separate bowl.

Step 7

7 Serve the casserole warm with a dollop of the crème fraîche or sour cream, guacamole and a green salad.