Here's what I found.
Generally an increase in BMR and effects of AAS appear to be via TBG. So, despite changes in lab values, there does not appear to be a negative effect on BMR.
Lovejoy, J C; Bray, G A; Bourgeois, M O; Macchiavelli, R; Rood, J C; Greeson, C; Partington, C
Exogenous androgens influence body composition and regional body fat distribution in obese postmenopausal women--a clinical research center study.
The Journal of clinical endocrinology and metabolism. vol. 81, no. 6 (1996 Jun): 2198-203.
Abdominal fat distribution is influenced by androgen levels in both men and women. The purpose of this study was to assess the effects on fat distribution of administering nandrolone decanoate (ND; an anabolic steroid with weak androgenic activity) or spironolactone (SP; an antiandrogen) in obese postmenopausal women. The design was a randomized, placebo-controlled, 9-month trial with simultaneous calorie restriction for weight loss. Women in all three groups lost comparable amounts of weight, but the ND-treated women gained lean mass relative to the other two groups (P < 0.0005) and lost more body fat than women in the SP group (P < 0.01). The resting metabolic rate also increased slightly in the ND group. ND treatment produced a gain in visceral fat, as determined by computed tomography scan, and a relatively greater loss of sc abdominal fat. SP-treated women lost significantly less sc fat than the other two groups. Serum cholesterol decreased in the placebo group, but increased slightly in the other two groups (significant for SP vs. placebo, P < 0.05). High density lipoprotein cholesterol decreased significantly in the ND-treated women. There were no significant changes in fasting glucose or insulin sensitivity. We conclude that administration of exogenous androgens modulates body composition in obese postmenopausal women and independently affects visceral and sc abdominal fat.
Welle, S; Jozefowicz, R; Forbes, G; Griggs, R C
Effect of testosterone on metabolic rate and body composition in normal men and men with muscular dystrophy.
The Journal of clinical endocrinology and metabolism. vol. 74, no. 2 (1992 Feb): 332-5.
We have examined the effect of testosterone enanthate injections (3 mg/kg.week, im) on the basal metabolic rate (BMR) estimated by indirect calorimetry and on lean body mass (LBM) estimated by 40K counting in four normal men and nine men with muscular dystrophy. Testosterone treatment increased plasma testosterone levels in all subjects (3-fold mean elevation). BMR increased significantly after 3 months of testosterone treatment (mean, 10%; P less than 0.01; 13% mean increase in the men with muscular dystrophy and 7% mean increase in the normal subjects). BMR remained elevated (mean increase, 9%) after 12 months of testosterone treatment in four men with muscular dystrophy. LBM also was significantly higher after 3 months of treatment (mean, 10%; P less than 0.01) and remained elevated at 12 months. The percent increase in LBM was similar in men with muscular dystrophy (+10%) and normal men (+11%). When BMR was adjusted for the increase in LBM by linear regression, the men with muscular dystrophy had an increase in adjusted BMR after 3 months of testosterone treatment (mean increase, 7%), but not after 12 months. The normal men did not have an increase in adjusted BMR. Testosterone treatment for 12 months slightly reduced body fat, whereas there was an increase in body fat in subjects with muscular dystrophy who were treated with placebo for 12 months. We conclude that there is a significant increase in BMR associated with pharmacological testosterone treatment, which for the most part is explained by the increase in LBM. However, in men with muscular dystrophy, there is a small hypermetabolic effect of testosterone beyond that explained by increased LBM.
Alen, M; Rahkila, P; Reinila, M; Vihko, R
Androgenic-anabolic steroid effects on serum thyroid, pituitary and steroid hormones in athletes.
The American journal of sports medicine. vol. 15, no. 4 (1987 Jul-Aug): 357-61.
Endocrine responses in seven power athletes were investigated during a 12 week strength training period, when the athletes were taking high doses of androgenic-anabolic steroids, and during the 13 weeks following drug withdrawal. During the use of steroids significant decreases (P less than 0.05 to 0.001) in the serum concentrations of thyroid stimulating hormone, thyroxine, triidothyronine, free thyroxine, and thyroid hormone-binding globulin (TBG) were found, whereas the value of triidothyronine uptake increased (P less than 0.001). In relation to the changes in the thyroid function parameters measured, we suggest that the primary target of androgen action was TBG biosynthesis. In five of the seven subjects, serum concentrations of growth hormone increased at some point of the study 5 to 60-fold. Because of the use of exogenous testosterone, serum testosterone concentration tended to increase. This increase was associated with a corresponding increase (P less than 0.001) in serum estradiol. Furthermore, there were major decreases in serum LH (P less than 0.01) and FSH (P less than 0.01) concentrations, and testicular testosterone production was therefore decreased. This was characterized by a very low serum testosterone concentration (5.1 +/- 1.8 nmol/l) 4 weeks following drug withdrawal. Cessation of drug use resulted in return of all the variables measured to the initial values, except for serum testosterone, which was at a low level (14.6 +/- 8.8 nmol/l) 9 weeks after drug withdrawal, indicating prolonged impairment of testicular endocrine function. No consistent changes were found in the eight control athletes.
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). I think the only prepared dessert I use is sugar free puddings which I would make with a couple scoops of whey or soy protein and milk. You could also add Udo's to the pudding and your shakes for extra calories and good fats. 
