Prepare all of the ingredients. Heat oil to 400deg.
In a frying pan over medium-high heat, add bacon and cook until crispy. Remove to paper towel covered plate to drain excess grease.
In a large saute pan over medium high heat, add oil for steak. Sprinkle steak seasonings over steak and add to pan. Cook, stirring often, for 8-10 minutes. Remove from heat and set aside.
Combine brown sugar, garlic, salt, paprika and parsley. Begin frying potato rounds in batches, cooking until golden brown and slightly crispy. Remove them to a paper towel covered sheet pan. Then put them in a large bowl and toss with brown sugar mixture until evenly coated.
In a saucepan over medium heat, melt butter and garlic powder. Whisk in flour and cook for 2 minutes, stirring often. Still whisking, pour in lager and continue to stir for 2 more minutes. Whisk in chicken broth and heavy cream and cook another 3 minutes then add cheeses by the handful, stirring to incorporate each time. Reduce to low heat until ready to plate
Now build the nachos: On a large plate, start with a layer of potatoes. Sprinkle with steak, then ladle on bleu cheese sauce, then bacon then shredded cheese and last jalapenos and scallions. You can make this family style on a large platter or individually on regular dinner plates.