Brown the sausage in a large skillet over medium heat, breaking it into crumbles (8-10 minutes)
Remove the sausage and set aside, leaving some drippings in the pan
Add butter to the pan and sauté the onions and peppers until softened (5-6 minutes)
Add minced garlic and cook until fragrant (30 seconds)
Pour in the beaten eggs and cook, stirring gently, until just set but still slightly glossy
Stir in the cooked sausage and taco seasoning
Remove from heat and stir in the shredded cheese