First, sterilize the jars and lids. Place the jars and lids in a preheated oven without covering the jars with lids. Sterilize 0.5 l jars for 10 minutes, 1 l jars for 15 minutes. Record the time, and after they are heated, turn off the heat and leave all the contents in the oven until they cool completely.
Chop the garlic and chili pepper into 1.5–2 mm slices.
Cut the bell pepper in half, remove the seeds and cut into even, medium-sized pieces.
Remove the stems from the tomatoes and cut into 2 cm wedges.
Heat a thick-bottomed saucepan with vegetable oil and add the tomatoes.
Add salt, sugar and vinegar, mix everything thoroughly. Simmer the tomatoes for 5 minutes.
Add bell pepper to the tomatoes.
Add garlic and chili pepper to the vegetables. Mix everything thoroughly.
Simmer the vegetables for 20 minutes, stirring constantly.
At the end of stewing, add ground black pepper and mix everything.
Place the vegetables in a blender and blend until smooth.
Remove the jars with lids from the oven and put the adjika in them. Close the jars tightly with lids. Wrap the hot adjika in something warm and leave for 24 hours. Store the sauce in the refrigerator or a cool place. Avoid exposure to sunlight. Enjoy your meal.