Preheat the oven to 350 degrees.
Spray a large baking sheet with cooking spray and set aside.
Slice sweet peppers lengthwise and remove any seeds. Place the peppers in a single layer on the baking sheet.
In a mixing bowl combined the tuna, cream cheese, chili powder, green onions and 1/2 cup of the cheddar. Mix until completely combined.
Place a spoonful of the mixture in each sweet pepper, top with remaining 1/4 cup shredded cheddar.
Bake 15-20 minutes until cheese is bubbly.
Net carbs are 7.2 g per serving
Serving: 5 stuffed peppers, Calories: 347kcal, Carbohydrates: 9.9g, Protein: 20.5g, Fat: 24.8g, Cholesterol: 84.8mg, Sodium: 558.3mg, Fiber: 2.7g, Sugar: 5.7g