01 -
Warm the olive oil in a large deep-sided skillet over medium-high heat.
02 -
Add the ground beef and sauté until fully browned, breaking up the meat as it cooks. Drain off any excess fat.
03 -
Stir in the fire-roasted diced tomatoes with green chilies and the taco seasoning. Mix thoroughly.
04 -
Blend in the tomato paste to the seasoned beef mixture and ensure an even distribution.
05 -
Pour in the water. Break the spaghetti noodles in half and add them to the skillet.
06 -
Stir to combine all ingredients, then bring the mixture to a boil.
07 -
Reduce heat to medium-low. Cover and simmer for 12 to 15 minutes, stirring occasionally, until spaghetti is al dente and most liquid is absorbed.
08 -
Remove the lid and drain any remaining excess liquid if necessary.
09 -
Sprinkle the shredded taco blend cheese over the surface. Cover and allow cheese to melt thoroughly before removing from heat.
10 -
Before serving, garnish with chopped fresh tomato and sliced green onions as desired.