Opa Stehling'S Barbecue Sauce - cooking recipe

Ingredients

2 medium onions
3/4 c. vinegar
2 c. shortening
4 to 5 Tbsp. chili powder
2 cans tomato paste
a little water
1/2 c. ketchup
few drops Tabasco
few lemon slices

Preparation

Combine all ingredients into large saucepan and simmer until everything disintegrates.