Heat the broiler. Broil the poblano on a small tray 8 to 10 minutes, turning, until blistered all over. Cover it with a bowl for 5 minutes, then peel, seed and chop it.
Heat the oven to 350 degrees. Butter a 12-cup muffin tin generously, or line it with parchment cups.
Blend the eggs, cottage cheese, cumin, garlic powder, smoked paprika, salt and pepper until completely smooth, about 30 seconds.
Divide the poblano, jalapeno, scallions, spinach and half the cheddar among the cups. Pour the egg mix over, filling each cup about three quarters full. Top with the rest of the cheddar.
Bake 20 to 22 minutes until puffed, set in the center and lightly golden.
Cool 5 minutes, then run a thin knife around each bite and lift out. Serve warm, or cool completely and refrigerate.