Homemade Ketchup

Prep time 10 mins 
Cook time 1 hour 10 mins 
Total time 1 hour 20 mins

Ingredients
1 Tbsp olive oil
1.5 cups shallots, minced
2 large garlic cloves, minced
2 Tbsp tomato paste
? cup dark brown sugar
2 Tbsp molasses
1/2 cup red wine vinegar
1- 29 oz can tomato puree
1.5 tsp kosher salt
1 tsp ground mustard
1/4 tsp red pepper flakes
1/2 tsp celery salt

Instructions
Heat olive oil in a medium saucepan until hot but not smoking. Add minced shallots and cook over medium heat until softened and golden, 4-5 mins.
Add garlic and continue to cook for 2 mins.
Stir in tomato paste and cook for 2 mins.
Add remaining ingredients, reduce heat to low and cook uncovered for one hour.
Blend using an immersion blender or in a blender until thick and smooth.
Ketchup can be stored in the refrigerator for up to two weeks.

http://www.whatshouldimakefor.com/homemade-ketchup/