Saute until the meat is in small pieces. Add onion. Saute for a couple more minutes.
To slow cooker, add crushed tomatoes, tomato paste, oregano, basil, Italian seasoning, crushed red pepper, sugar. Then add ground beef mixture.
Stir all ingredients are combined.
Set slow cooker to LOW for 6-8 hours. Sauce will be done at 6 hours, but many have a warm setting. It can sit on warm for an additional 2 hours.
INSTANT POT
Start the pot on Saute.
Add 1 tablespoon of olive oil, ground beef, garlic, salt and pepper. Saute meat until browned and pieces the meat in small pieces. About 5 minutes.
Add onion, crushed tomatoes, tomato paste, oregano, basil, Italian seasoning, crushed red pepper and sugar. Combine all ingredients.
Set Instant pot for meat/stew. High, for 10 minutes with natural release.
Natural release should be about 10 minutes, check sauce for salt.
Notes
SALT: When using tomatoes, sodium content varies greatly from brand to brand. For example: Cento crushed tomatoes have 40 mg sodium per 1/2 cup serving. Hunts has 260 mg of sodium for 1/2 cup serving. So depending on what you have available to purchase, you may need to adjust as needed.
Nutrition
Serving: 1cupCalories: 350kcal
Nutritional information is calculated online and should be used as a guide.