Wash the meat, dab dry and cut into fine cubes. Heat oil in a pan. Fry the meat for about 10 minutes, turning it over. Peel onions and cut into cubes.
Add to the meat after 6 minutes. Stir in tomato paste and sweat briefly. Add stock, bring to the boil and simmer for 30-40 minutes. Season with salt, sugar and Sambal Oelek. Wash, clean and coarsely dice the tomatoes.
Pour beans into a sieve and rinse with cold water. Drain the corn. Stir in tomatoes, corn and beans, bring to the boil and simmer for about 10 minutes. Meanwhile peel cucumbers, cut them lengthwise in half and remove seeds.
Bring 100 ml salted water to the boil in a frying pan, add the cucumbers and cook for 5-10 minutes in the closed pan. Put cucumber halves into 4 greased casseroles. Fill with chilli. Sprinkle with cheese and chips.
Bake in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for approx. 15 minutes. Serve with jalapeños.