Best Crockpot Spaghetti Sauce – Rich, Easy & Slow-Cooked

Ingredients

• 1 tbs of olive oil
• 1 medium onion, diced
• 4 cloves of garlic, minced
• 1 pound of ground beef or turkey (optional, can be omitted for vegetarian)
• 2 cans of crushed tomatoes
• 2 tbs of tomato paste
• 1 tsp of sugar
• 2 tsp of dried oregano
• 1 tsp of dried basil
• 1/2 tsp of thyme
• 1 tsp of salt
• 1/2 tsp of black pepper
• 1 bay leaf
• Optional: ¼ teaspoon of red pepper flakes
• Fresh parsley or basil, for garnish
• Cooked spaghetti or pasta of choice, for serving