I spread the frozen fries in a single layer on a baking sheet and bake them according to the package directions, then leave them in a few extra minutes past that time. This little trick keeps them from turning soggy once the chili and cheese go on top.
While the fries bake, I heat olive oil in a deep skillet over medium heat and add the diced onion and jalapeño. I let them cook for a few minutes until soft, then stir in the garlic for about thirty seconds. This builds the aromatic base that gives the chili its flavor before the beef even goes in.
Next, I add the ground beef straight into the skillet and break it up as it cooks. It usually takes five to six minutes to brown fully. If there's excess grease pooling in the pan, I drain it off so the finished chili doesn't turn oily on top of the fries.
Once the beef is browned, I stir in the chili powder, cumin, smoked paprika, cayenne, salt, pepper, and tomato paste. I cook everything together for about a minute so the spices bloom and the tomato paste darkens slightly. This step is what gives the chili its rich, deep flavor.
I pour in the tomato sauce, diced tomatoes, and beef broth, then bring everything to a simmer. I let it cook uncovered for ten to fifteen minutes, stirring occasionally, until the chili is thick enough to mound on a spoon. A thick chili is essential so it doesn't turn your crispy fries soggy underneath.
If I'm adding beans, this is when they go in. I stir them into the chili and let everything simmer for another three to five minutes. For a thicker texture, I sometimes mash a few beans right in the pot, which helps the chili cling to the fries even better.
Once the fries are done, I pile them onto the baking sheet or a heatproof platter. I sprinkle about a third of the cheese directly onto the hot fries first, which acts like a little shield against sogginess. Then I spoon the thick chili over the top and finish with the remaining cheese.
I slide the tray back into the oven at 425°F for five to eight minutes, just until the cheese is fully melted and bubbly. If I want a few golden spots, I'll broil it for the last thirty to sixty seconds while watching closely. Then I top it with sour cream, green onions, and jalapeños and serve it immediately while everything is hot.